Evaluating Functions

Question 1

On a coordinate plane, a straight red line with a positive slope, labeled g of x, crosses the x-axis at (negative 3, 0) and the y-axis at (0, 3). A straight blue line with a positive slope, labeled f of x, crosses the y-axis at (0, negative 3) and the x-axis at (1, 0). Both lines intersect at (3, 6).

Revolt · Accepted Answer

f(3) = g(3)

Question 2

If f(x) = + 8, what is f(x) when x = 10?

Revolt · Accepted Answer

13

Question 3

Which statement is true regarding the graphed functions?

Revolt · Accepted Answer

f(0) = g(0)

Question 4

Two functions are graphed on the coordinate plane.

Revolt · Accepted Answer

f(–4) = g(–4) and f(0) = g(0)

Question 5

The table represents the function f(x).

Revolt · Accepted Answer

9

Question 6

On a coordinate plane, a red curved line with an upward arc, labeled g of x, crosses the x-axis at (negative 2, 0), and the y-axis at (0, 4). A blue curved line with an upward arc, labeled f of x, crosses the y-axis at (0, 4) and the x-axis at (2, 0).

Revolt · Accepted Answer

f(2) = 0 and g(–2) = 0

Question 7

What is the inverse of the function f(x) = 2x – 10?

Revolt · Accepted Answer

h(x) = x + 5

Question 8

If f(x) = 6x – 4, what is f(x) when x = 8?

Revolt · Accepted Answer

44

Question 9

What is the inverse of the function f(x) = 2x + 1?

Revolt · Accepted Answer

h(x) = x –

Question 10

Which represents the inverse of the function f(x) = 4x?

Revolt · Accepted Answer

h(x) = x

Evaluating Functions Answers

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