Function Notation Interpret

Function F shows the distance a car traveled after h, hours. The graph is shown. A second car's distance can be represented by the function G (h) = 55h. Which car has traveled further after 4 hours, and by how many miles?

• The first car; 160 miles.

• The second car; 165 miles.

• The second car; 60 miles.

• The first car; 90 miles.

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

• 4

• 0

• 3

• 8

A plant's height is a function of the time it has grown. Time is measured in 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

What is f(1)?

• 1

• 5

• 0

• 4

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

The speed of the baseball is a function of the time since the baseball was hit by a bat. What does f(2) = 80 represent in this situation?

• After 2 seconds the baseball is traveling at 80mph

• After 80 seconds the baseball is traveling at 2mph

• The baseball traveled 80mph for 2 seconds

• The baseball traveled 2mph for 80 seconds

Translate the function notation into a coordinate point.

Translate the coordinate pair into function notation.

If f(x) = -4x - 5

what is f(1)?

• 9

• -7

• -9

• -10

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

• 4

• 0

• 3

• 8