Evaluating Functions

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

13

If f(x) = 5x + 40, what is f(x) when x = -5?

15

If f(x) = 2x²+1, what is f(x) when x = 3?

19

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

NOT h(x) = 1/2x +1/2

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

h(x) = 1/4x

What is the inverse of the function f(x) = 1/4x - 12?

h(x) = 4x + 48

The table represents the function f(x). When f(x) = -3, what is x?

-1

The table represents the function f(x). What is f(3)?

9

Which statement is true regarding the functions on the graph?

f(-3) = g(-3)

Two functions are graphed on the coordinate plane. Which represents where f(x) = g(x)?

f(-4) = g(-4) and f(0) = g(0)

Which statement is true regarding the graphed functions?

f(2) = 0 and g(-2) = 0

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

44

The functions f(x) and g(x) are graphed. Which represents where f(x) = g(x)?

f(2) = g(2) and f(0) = g(0)

Which statement is true regarding the functions on the graph?

f(3) = g(3)