Evaluating Functions

GIven the function machine, find the output if x = -2.

• f(x)=9

• f(x)=-15

• f(x)=-9

• f(x)=21

Given the graph of the function

Find f(2)

• -4

• 8

• 0

• 5

Given f(x) = -2x+13

Find f (10)

• -7

• 1

• -8

• 7

Given f(x) = 4x+5
Find f(4)

• 21

• -11

• -31

• 25

Given f(x) = x² Find f(-8)

• 64

• -64

• -16

• 16

Find f(33)

• 33

• 11

• 10

• 8

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

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}

• {(2,7), (3,7), (4,7), (5,8)}

• {(1,-5), (-1,6), (1,5), (6,-3)}

• {(3,-2), (5,-6), (7,7), (8,8)}

What is the proper word for all of the x values or inputs?

• Domain

• Range

• Relation

• Function

What is the proper word for all of the y values or outputs?

• Domain

• Range

• Relation

• Function