Function Notation in Context

• With 75 inches of rain, there are 5 wildflowers growing.

• When it rains for 5 days there are 75 wildflowers growing.

• There are 75 wildflowers growing.

• With 5 inches of rain, there are 75 wildflowers growing.

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

The speed of a baseball, measured in mph, is a function of the time since it has been hit by a bat, measured in seconds. What does f(3) represent in the situation?

• The speed of the ball after 3 seconds.

• The ball traveled for 3 seconds.

• The speed of the ball is 3mph

• The ball stopped at 3 seconds

The speed of a baseball, measured in mph, is a function of the time since it has been hit by a bat, measured in seconds. What does f(4) = 65 represent in the situation?

• The ball is traveling 65 mph, 4 seconds after it was hit.

• The ball is traveling 4 mph, 65 seconds after it was hit.

• Not enough information

• The ball traveled 65 mph for the last 4 seconds.

The height of a plant, in inches, is a function of the time it takes to grow, measured in weeks. What does the notation h(12) = 16 represent?

• The plant is 12 inches tall after 16 weeks.

• The plant is 16 inches tall after 12 weeks.

• The plant will remain 12 inches tall for the next 16 weeks.

• The plant will remain 16 inches tall for the next 12 weeks.

A man is climbing down from 100 feet high at a rate of 30 feet per minute.

• f(x) = - 30x + 100

• f(x) = 30x + 100

• f(x) = 100x + 30

A canoe rental service charges a $20 transportation fee and $30 dollars per hour to rent a canoe.

• f(x) = 30x + 20

• f(x) = 30 + 20x

• f(x) = 50x