Evaluating and Operations with Functions

For what value of x does f(x) = -2?

• 0

• -5

• 3

• -3

Is this a function?

• Function

• Not a Function

Is this a function?

• Function

• Not a Function

Evaluate f(33)

• 33

• 11

• 10

• 8

What is the value of f(0)?

• -2

• 2

• 4

• 0

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall

• The plant grows at a rate of 5/4 inch per week

• After 4 weeks the plant is 5 inches tall

• The plant grows at a rate of 1 inch per week

Function or Not a Function?

• Function

• Not a Function

What is the range?

• -7≤x≤6

• -7<x<6

• -8<y<2

• -8≤y≤2

State the domain:

• (-oo, 7) U (7, oo)

• (-oo, -7) U (7, oo)

• (7, oo)

• [7, oo)

State the domain:

• (-oo, oo)

• (-oo, -2) U (-2, 2) U (2, oo)

• (-2, oo)

• [-2, oo)