Evaluating Functions

Question 1

Use the function f(x) = 2x3 - 3x2 + 7 to complete the exercises.

Revolt · Accepted Answer

f(−1) =: 2; f(1) =: 6; f(2) =: 11

Question 2

Use the function f(x) = 2x3 - 3x2 + 7 to complete the exercises.

Revolt · Accepted Answer

✔ 2; f(−1) =: 2; f(1) =: 6; f(2) =: 11

Question 3

2✔ 68

Revolt · Accepted Answer

✔ 6

Question 4

79✔ 11

Revolt · Accepted Answer

✔ 11

Question 5

Which value completes the table?

Revolt · Accepted Answer

3

Question 6

Which statements are true of the given function? Check all that apply.

Revolt · Accepted Answer

f(0) =; f(4) =

Question 7

The function p(x) = –2(x – 9)2 + 100 is used to determine the profit on T-shirts sold for x dollars. What would the profit from sales be if the price of the T-shirts were $15 apiece?

Revolt · Accepted Answer

$28

Question 8

✔ –11–2130

Revolt · Accepted Answer

✔ –11; f(4) =: –11

Question 9

What is the inverse of f(x) = one-third x + 2?

Revolt · Accepted Answer

h(x) = 3x - 6

Question 10

Which statements are true for the functions g(x) = x2 and h(x) = –x2 ? Check all that apply.For all non-zero values of x, g(x) will always be greater than h(x).For all non-zero values of x, h(x) will always be greater than g(x).g(x) > h(x) for x = -1. g(x) h(x). For negative values of x, g(x) > h(x).

Revolt · Accepted Answer

For all non-zero values of x, g(x) will always be greater than h(x).; g(x) > h(x) for x = -1.; For positive values of x, g(x) > h(x).; For negative values of x, g(x) > h(x).

Evaluating Functions Answers

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