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2 years ago

13. Use the mapping shown above to show the value of the function ƒ(x) at each point.

Mathematics

1 answer:

11111nata11111 [884]2 years ago

3 0

Answer:

Step-by-step explanation:

Follow the arrow from the x- value in the domain to the corresponding value in the range, that is

x = - 1 → f(- 1) = 5

x = 0 → f(0) = 3

x = 1 → f(1) = 5

x = 2 → f(2) = 11

x = 3 → f(3) = 21

Thus B shows the appropriate mapping

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Nadia plans to paint her jewelry box. The box is shaped like a rectangular prism with the dimensions

Pachacha [2.7K]

Answer:

$132\ in^{2}$ is closest to the total surface area of the box

Step-by-step explanation:

we know that

The surface area of the box is equal to

$SA=2B+PH$

where

B is the area of the base

P is the perimeter of the base

H is the height of the box

we have

$L=7\frac{3}{4}\ in=\frac{7*4+3}{4}=\frac{31}{4}\ in$

$W=3\frac{1}{4}\ in=\frac{3*4+1}{4}=\frac{13}{4}\ in$

$H=3\frac{7}{8}\ in=\frac{3*8+7}{8}=\frac{31}{8}\ in$

Find the area of the base B

$B=LW$

$B=(\frac{31}{4})(\frac{13}{4})=\frac{403}{16}\ in^{2}$

Find the perimeter of the base P

$P=2(L+W)$

$P=2(\frac{31}{4}+\frac{13}{4}))$

$P=2(\frac{44}{4})=22\ in$

Find the surface area

$SA=2(\frac{403}{16})+22(\frac{31}{8})$

$SA=(\frac{403}{8})+(\frac{682}{8})$

$SA=\frac{1,085}{8}=135.625\ in^{2}$

6 0

3 years ago

Find the area of the shaded region in each of the following figure all unit are in cm

vodomira [7]

1st problem:
A = 630 cm

2nd problem:
A = 104 cm

All I can see on the picture you provided.

7 0

3 years ago

Does anyone know the answer?

Serhud [2]

Answer:

$6a {}^{2} - 2c + 2a {}^{2} - 2c {}^{2} \\ 8a {}^{2} - 2c {}^{2} - 2c$

Good luck!

Intelligent Muslim,

From Uzbekistan.

8 0

2 years ago

Find the value of x that will make A||B. 5x + 9 A B 6x-2 X = [?] Enter

givi [52]

Answer:

$x = 11$

Step-by-step explanation:

Given

Parallel lines A and B

Required

Find x

For A and B to be parallel, then 5x + 9 and 6x - 2 are alternate interior angles

And alternate interior angles are always equal

This means that

$5x + 9 = 6x - 2$

Collect like terms

$5x - 6x = -2 -9$

$-x = -11$

Multiply both sides by -1

$-1 * -x = -11 * -1$

$x = 11$

4 0

3 years ago

Read 2 more answers

Given the function f(x) = log3 (x + 1), determine f^−1(2).

zavuch27 [327]

Given: f(x) = log3 (x + 1), look for f^-1 (2)

We are looking for the inverse of a function. The inverse of the function can be obtained by switching the variables and obtaining the values of the new function, before substituting f(2). Using a calculator:

f^-1 (2) = 8

6 0

2 years ago