Plzzz guys help me ;( F(x)-mx+ b, f(-2)=3 and f(4)=1 , what is the value of m and b

Answer:

To find (g – f)(x), we need to subtract f(x) from g(x). We can do this by substituting the expressions for f(x) and g(x) into the difference:(g – f)(x) = g(x) – f(x)

= (2 log x) – (log (x/4))We can simplify this expression by using the fact that log a - log b = log (a/b). Applying this fact, we get:(g – f)(x) = (2 log x) – (log (x/4))

= log ((x^2) / (x/4))

= log (4x)Therefore, (g – f)(x) = log (4x).

Step-by-step explanation:

Step-by-step explanation:

To find (g – f)(x), we can subtract f(x) from g(x):

(g – f)(x) = g(x) – f(x)

= 2 log x – log (x/4)

Using the logarithm identity log a - log b = log (a/b), we can rewrite the expression as:

(g – f)(x) = log x^2 - log (x/4)

= log (x^2/(x/4))

= log (4x)

Therefore, (g – f)(x) = log (4x).

Answer:

9t + 9e is your answer bro

Answer:

To solve this system of linear equations, we need to first rewrite the equations in standard form, which is the form y = mx + b. To do this, we can isolate the y-term on one side of the equation and the x-term and constant on the other side. For example, the first equation can be rewritten as follows:

-15x + 20y = 15-5

20y = 15 - 5 - 15x

y = -3/4 x + 2

Similarly, the second equation can be rewritten as follows:

0 - 18x + 24y - 18

24y = -18 - 18x

y = -3/2 x - 1

Now that the equations are in standard form, we can find the point of intersection by setting the two equations equal to each other and solving for x:

-3/4 x + 2 = -3/2 x - 1

-3/4 x + 2 + 3/2 x = -1 + 3/2 x

x = -1/6

Substituting this value of x into either equation, we can solve for y to find the point of intersection:

y = -3/4 x + 2

y = -3/4 (-1/6) + 2

y = 1/3

Therefore, the point of intersection for these two equations is (-1/6, 1/3). This means that the system of equations has exactly one solution at this point.

We know that,

When sign negative multiplied by negative then we find positive sign,

Therefore,

When sign positive multiplied by positive sign then we find positive sign,

When sign positive multiplied by negative sign then we find negative sign,

When sign negative multiplied by positive sign then we find negative sign,,

For example-

(-8)×(2)=-16

(-2)×(-2)=4

(-3)×(+3)=-9

(+3)×(+4)=+12

(+8)×(-2)=-16

According to question,

Given data in the question,

-(-B) =minus, left parenthesis, minus, B right parenthesis, equals

With the help of above Lines

we can say that,

-(-B)=-1×-(B)

=B

-(-B)=minus,left parenthesis, minus, B right parenthesis, equals

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For the give question of −(−B)=minus, left parenthesis, minus, B, right parenthesis, equals answer is -(-B)=-1×-(B)

The well-known () symbol is used in pairs to group things together or specify the order of operations in an equation. Parentheses or "round brackets" are also known as parentheses. When writing or solving equations in math, you'll frequently need to use brackets. They assist in defining the order of operations as well as grouping numbers.

We know that,

When sign negative multiplied by negative then we find positive sign,

Therefore,

When sign positive multiplied by positive sign then we find positive sign,

When sign positive multiplied by negative sign then we find negative sign,

When sign negative multiplied by positive sign then we find negative sign,,

For example-

(-8)×(2)=-16

(-2)×(-2)=4

(-3)×(+3)=-9

(+3)×(+4)=+12

(+8)×(-2)=-16

According to question,

Given data in the question,

-(-B) =minus, left parenthesis, minus, B right parenthesis, equals

With the help of above Lines

we can say that,

-(-B)=-1×-(B)

=B

-(-B)=minus, left parenthesis, minus, B right parenthesis, equals

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Answer:

(- 1, 1 )

Step-by-step explanation:

- 3x - 4y = - 1 → (1)

3x - y = - 4 → (2)

add (1) and (2) term by term to eliminate x

0 - 5y = - 5

- 5y = - 5 ( divide both sides by - 5 )

y = 1

substitute y = 1 into either of the 2 equations and solve for x

substituting into (2)

3x - 1 = - 4 ( add 1 to both sides )

3x = - 3 ( divide both sides by 3 )

x = - 1

solution is (- 1, 1 )

If an organization selects 3 students to represent the district, the standard divisor needed to be eligible for representation of the region is 228.

The standard divisor is computed as the quotient of the total population divided by the number of representative seats required to be distributed.

The standard divisor explains the number of persons represented by a seat.

Regions     Number of Students

Region 15               315

Region 16              148

Region 17              221

Total number =    684

Number of students to represent the district = 3

Standard divisor = 228 (684 ÷ 3)

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The weight of large box will be 45 pounds.

The weight of small box will be 30 pounds.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The combined weight of a large box and a small box is 75 pounds.

And, The truck is transporting 55 large boxes and 70 small boxes.

Total weight of boxes = 4575 pounds

Now,

Let weight of large box = x

And, Weight of small box = y

Here, The combined weight of a large box and a small box is 75 pounds.

So, We can formulate;

⇒ x + y = 75   ...(i)

And, Total weight of boxes = 4575 pounds

So, We can formulate;

⇒ 55x + 70y = 4575   ...(ii)

Solve both equation as;

From (i);

x = 75 - y

Substitute in equation (ii), we get;

⇒ 55(75 - y) + 70y = 4575

⇒ 4,125 - 55y + 70y = 4575

⇒ 15y = 4575 - 4,125

⇒ 15y = 450

⇒ y = 30

And, x = 75 - 30 = 45

Thus, The weight of large box will be 45 pounds.

The weight of small box will be 30 pounds.

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The value of y is less than or equal to 0 (y ≤ 0).

What is inequality?

In mathematics, inequalities describe the relationship between two values that are not equal. Equal means to be equal, not. The "not equal symbol (≠)" is typically used to indicate that two values are not equal. But different inequalities are used to compare the values to determine whether they are less than or greater than.

Given:

4y + 1/5 ≤ 4/5

We have to find the value of y.

Subtract 1/5 from both sides,

4y + 1/5 - 1/5 ≤ 4/5 - 1/5

              4y ≤ 3/5

Multiply both sides by 1/4

4y x 1/4 ≤ 3/5 x 1/4

y ≤ 3/20

y ≤ 0.15

Hence, the value of y is less than or equal to 0 (y ≤ 0).

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Answer:

[tex]681.25ft^2[/tex]

Step-by-step explanation:

The total area of the deck can be found with

[tex]A_t=A_0+A_a[/tex]

where

[tex]A_t[/tex] = total area of the new deck

[tex]A_0[/tex] = area of the original deck

[tex]A_a[/tex] = area of addition

The area of the addition can be found with

[tex]A_a=lw[/tex]

where

[tex]l[/tex] = length of addition

[tex]w[/tex] = width of addition

So,

[tex]A_t=400ft^2+(18.75ft*15ft)\\A_t=400ft^2+281.25ft^2\\A_t=681.25ft^2[/tex]

(a) The function over its practical domain x = 80±nπ  n∈(0, 1, 2, 3,..............)

(b) Point of maxima = (171.325, 15), (536.637, 15), (901.928, 15),................

Point of minima = (353.976, 9.326), (719.278, 9.328),...................

Inflection point = (80, 0), (262.651, 0), (445.301, 0),..................

In the given question, f(x)=2.836 sin(0.0172(x-80)) + 12.164

a. Using technology we have to obtain a printout of the function over its practical domain. Scale and label the axes appropriately.

f(x)=2.836 sin(0.0172(x-80)) + 12.164

f'(x) = 0 at 2.836×0.0172 cos(0.0172(x-80)) = 0

So x = 171.325, 353.976, 536.627, 719.278, .................

f''(x) = -2.836×(0.0172)^2 sin(0.0172(x-80)) = 0

So x = 80±nπ  n∈(0, 1, 2, 3,..............)

b. We have to label the maximum, minimum, and inflection points on the graph. We should label the points both in the form (x, f(x)) and (date, f(x)).

Point of maxima = (171.325, 15), (536.637, 15), (901.928, 15),................

Point of minima = (353.976, 9.326), (719.278, 9.328),...................

Inflection point = (80, 0), (262.651, 0), (445.301, 0),..................

Therefore, the graph of the aforesaid function is shown below. The greatest value of the function is 15 and the smallest value is 9.328. Additionally, the graph's values are labelled.

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Answer:

$2,000

Step-by-step explanation:

A=P(rincipal)R(ate)T(ime)

1000*1*1=1000

1000(principal)+1000(interest)=2,000(total)

y-intercept of the function is (0, 50), the slope of the function is 5, the equation of the line is  P(x) = 50 + 5x and it would take 189990 streams to profit  $950,000.

The x-intercept and y-intercept are the points where a centre line the x- and y-axes, respectively.

Given the following parameters

Fixed price = $50

The rate of change is $5 if streaming providers pay $ 5.00 per unit.

The necessary profit is provided as follows for the entire number of streams:

P(x) = 50 + 5x

The y-intercept is the location where x equals zero.

P(x) = 50 + 5x

P(0) = 50 + 5(0)

P(0) = 50

Thus, the function's y-intercept is (0, 50)

For the slope

mx = 5x

m = 5

Consequently, the function's slope is 5.

Equation of this line is P(x) = 50 + 5x

P(x) = 50 + 5x = 950000

5x = 950000 - 50

5x = 949950

x = 189990

Hence, it would take 189990 streams to profit  $950,000.

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Answer:

Step-by-step explanation:

To find the y intercept we need to let x=0

y=10*0+5=5 therefore y intercept =5

To find the x intercept we need to let y=0

we get 0=10x+5

We need to solve for x, this means getting x on its own

Take 5 from both sides

0-5=10x+5-5

-5=10x

Divide both sides by 10

gives

-5/10=10x/10

-1/2=x

Therefor x intercept =-1/2

Answer:

circumference (c) = 2.per(Square

Step-by-step explanation:

ar sq = l²

484 = l²

l = 22

again

p=4l=4×22=88cm

c = 2×p=2×88= 176cm

we know

c= 2πr

or, 176 = 2×22/7 × r

r = 28 cm

again

ar (circle) = πr²

= 22 / 7 × 28²=2464cm²

The journal entry to record the replenishment of the petty cash fund shows a debit of $45 , $25 and $8 and a net credit of $78.

Replenishment of the Petty Cash Fund:

Petty cash refers to a small amount of fund that can be used for the day to day expenses for which disbursement of checks will not be suitable. As and when the petty cash balance is being used and reduced, the fund custodian requests and receives cash from the company's regular checking account, in order to maintain the same petty cash balance it initially had, which is nothing but the replenishment of the petty cash fund.

The journal entry to record the replenishment of the petty cash fund is made below:

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Complete question is given below :

On March 20, Harbor's petty cash fund of $100 is replenished when the fund contains $22 in cash and receipts for postage $45, supplies $25, and travel expense $8.

Prepare the journal entry to record the replenishment of the petty cash fund.

The Cash account is credited, Reflecting the decrease in the petty cash fund due to the various expenses incurred.

The expenses made from the Harbor's petty cash fund, we need to record the appropriate entries to reflect the decrease in cash for each expense category. Based on the given information, the expenses include $19 for postage, $40 for supplies, $26 for travel, and $15 for miscellaneous expenses.

1. Postage Expense:

To record the expense for postage, we will debit the Postage Expense account and credit the Cash account. Assuming the Postage Expense account has a normal debit balance:

  Postage Expense   $19

     Cash                         $19

2. Supplies Expense:

For supplies expenses, we will debit the Supplies Expense account and credit the Cash account:

  Supplies Expense   $40

     Cash                       $40

3. Travel Expense:

To account for the travel expenses, we will debit the Travel Expense account and credit the Cash account:

  Travel Expense   $26

     Cash                     $26

4. Miscellaneous Expense:

Lastly, for the miscellaneous expenses, we will debit the Miscellaneous Expense account and credit the Cash account:

  Miscellaneous Expense   $15

     Cash                                  $15

After recording these entries, the petty cash fund will have been reduced by the total expenses. It's important to note that the remaining balance of the petty cash fund should be adjusted accordingly.

the journal entries to account for the expenses from the Harbor's petty cash fund are as follows:

Postage Expense   $19

  Cash                         $19

Supplies Expense   $40

  Cash                       $40

Travel Expense   $26

  Cash                     $26

Miscellaneous Expense   $15

  Cash                                  $15

These entries ensure that the appropriate expense accounts are debited and the Cash account is credited, reflecting the decrease in the petty cash fund due to the various expenses incurred.

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When you multiply the diameter by 22/7,  you find the approximate not exact circumference of a circle.

What is the Circumference of a circle?

The circumference of the circle or the perimeter of the circle is the measurement of the boundary of the circle. Whereas the area of the circle defines the region occupied by it.

Pi ( written as the Geek letter π) is a universal constant found by dividing the circumference of a circle by its diameter. So if you measure the diameter of a circle you can calculate its circumference by multiplying by π.

Circumference = π * diameter.

It's value to the nearest hundredth is 3.14 but its actual value is a decimal number that goes on without bounds. That is in Maths it is irrational and can't be written accurately as a fraction.

For example:

What is the circumference of a circle that has a radius of 7cm?

Approximately 22 cm.

Exactly 7πcm

The ratio between the circumference of a circle and its diameter is π. We commonly write c=2π r, using the radius instead and doubling it.

One is 22/7, which is common in use and the other is 355113 ≈ 3.1415929,

which is less well-known but very accurate for the number of digits you have to remember.

In the given example, we are told that the diameter is 7 cm.

So using the common approximation π ≈ 22/7,

we find that the circumference is approximately:

(22/7)* 7 cm

= 22cm

Hence, when you multiply the diameter by 22/7,  you find the approximate not exact circumference of a circle.

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B. squares due to error (SSE) is the correct option.

What is squares due to error (SSE)?

Sum Squared Error (SSE) is an accuracy metric that squares the mistakes before adding them. When the data points are of equal magnitude, it's utilised to assess the forecasting model's accuracy. The forecast is more precise the lower the SSE. Choosing the forecasting model that best suits your data will be made easier for you if you are aware of this accuracy statistic.

The sum of squares due to error (SSE) is a measure of the error in using the estimated regression equation to predict the values of the dependent variable in a sample.

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Answer:

71

Step-by-step explanation:

=2%

2 kg = 2000 g

x% of 2000 = 40

x/100 × 2000 = 40

x = 2%

On a graph of g(x) = -3x + 9 the x - intercept is identified to be

The points where a line crosses an axis are known as the x-intercept and the y-intercept, respectively.

It is x - intercept where the line crosses the x axis and y intercept where the line crosses the y axis

On the graph, the point where the line crosses the x axis is noted and written in ordered pair in the for (a, b)

Where a represents values in the x direction and y are values in the y direction

From the graph, a = 3 and b = 0

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Answer:

The answer is C. (3, 0)

Factorials and the binomial theorem are utilized in the binomial distribution, a discrete probability distribution. Checking the sample space is the first step in deciding whether or not to use a binomial distribution with a given data set.

The binomial distribution would apply if there were multiple trials of the same experiment and only two outcomes in the sample space.

S=T,H,THT,H,THH,HTH,HHT,HHH in this case.

∴ n(S)=8.

Thus, the probability of each and every outcome is 18.

When tossing three coins, let X be the number of heads.

There can be 0, 1, 2, or 3 heads.

Therefore, X's possible values are 0, 1, 2, and 3.

P(X=0) = P (no head) = P(T) = 18.

P(X=1) = P (getting a single head) = P(HorTHTorH) = 38.

P (X=P (getting 2 P (THH, HTH, HHT)=38.

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Answer:

0

Step-by-step explanation:

[tex]\frac{x-2}{x-4}=-1, x \neq 3 \\ \\ x-2=-x+4 \\ \\ 2x=6 \\ \\ x=3[/tex]

This contradicts the domain restriction, so there are no real solutions.

Answer: 0

Step-by-step explanation:

There is no difference between the standard and actual expenses of direct labor because the company spent a total of $248,000 on such costs over the period.

To determine the total increase recorded in the Work in Process account related to direct labor, we need to first calculate the total standard cost of direct labor for the period and then compare it to the actual cost of direct labor.

According to the standard cost card, each unit of the product requires 2 hours of direct labor at a rate of $16.00 per hour.

This means that the total standard cost of direct labor for the period is 2 * $16.00 * 7,800 = $248,000.

Since the company paid a total of $248,000 in direct labor costs during the period, there is no difference between the standard and actual costs of direct labor. Therefore, the total increase recorded in the Work in Process account related to direct labor would be $0.

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The maximum amount of the original four numbers is 110.

What is the whole number?

A whole number is simply any positive number that does not include a fractional or decimal part. This means that, for example, the numbers 0, 1, 2, 3, 4, 5, 6, and 7 are all whole numbers.

Four whole numbers are each rounded to the nearest 10, which means each number can go +5 or -5.

The sum of the rounded numbers is 90, the maximum amount of the original four numbers is if +5 are added with each 4 original number.

So each number would have an extra +5.

And then the maximum number is 90 + (5 x 4) is equal to 110.

Or if the rounded-up no. were 10, 20, 30, 30.

The sum of these numbers is 90.

They can go up to 15,25,35,35.

So the sum of this is 110.

Hence, the maximum possible sum of the original four numbers is 110.

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The average annual growth rate of a certain country's population for 1950, 1988, and 2010 are 1.819, -0.1300048 and -1.4474respectively.

Equation: An algebraic expression composed of two expressions with the same value and the symbol "=" in between.

The given equation is

y = -0.0000084x³ + 0.00194x² -0.196x + 7.819

Where Y is the annual growth rate of  a certain country's population and x is the number of years after 1900.

Difference between 1950 and 1900 is 50.

Put x=50 in the given equation.

y = -0.0000084(50)³ + 0.00194(50)² -0.196(50) + 7.819

y = 1.819

Therefore, the estimated average annual growth rate of the country's population for 1950 is 1.819.

The difference between 1988 and 1900 is 88.

Put x=88 in the given equation.

y = -0.0000084(88)³ + 0.00194(88)² -0.196(88) + 7.819

y= -0.1300048

Therefore, the estimated average annual growth rate of the country's population for 1988 is 0.9985.

Difference between 2010 and 1900 is 110.

Put x=110 in the given equation.

y = -0.0000084(110)³ + 0.00194(110)² -0.196(110) + 7.819

y= -1.4474

Therefore, the estimated average annual growth rate of the country's population for 2010 is 0.2236.

Therefore, population growth rates for a particular nation in 1950, 1988, and 2010 are, respectively, 1.819, -0.1300048 and -1.4474.

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The area of the striped region (blue ones with angled strips on them) is equal to 3/4 square units.

First, we know that each square below is 1 square unit.

These squares are divided into rectangles of (1/2) by (1/6), then each one of these strips has an area equal to the product between the two dimensions, it gives:

(1/2)*(1/6) = 1/12 square units.

Now we need to count how many of the striped rectangles are, we can see that there are 9 of these, then the area of the striped region is:

A = 9*1/12 square units.

A = 9/12 square units

A = 3/4 square units.

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Answer: f(x) = 1

Step-by-step explanation:

     They tell us what we need to do, we must substitute x for 0 in the original function to find the initial value.

         [tex]f(x) = (\frac{1}{4} )^x[/tex]

         [tex]f(x) = (\frac{1}{4} )^0[/tex]

         [tex]f(x) = 1[/tex]

     * Anything raised to the power of 0 is equal to 1.