Function Notation

Find f(2)

• 1

• 4

• 2

• 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

Evaluate f(-2) if f(x) = x+3

• -1

• 1

• 5

• -5

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7

• -2

• -9

• -10

What is f(1)?

• 1

• 5

• 0

• 4

What is x if
f(x) = -2?

• 4

• 0

• 3

• 8

What is f(8)? 

• 8

• 0

• 3

• -2

f(x) is the same thing as ______.

• y

• x

• input

• an equation

g(x) = 3x + 1
g(2) = _______

• 6

• 7

• 8

• 9