Interpret Function Graph

• 200

• 300

• 400

• 5

• 7

• 3

• 4

• 5

• 6

• 6

• 7

• 4

• 90

• 80

• 70

• $5.50

• $6.50

• $5

• 10

• 20

• 30

The function R represents the rain total rainfall, in cm, after x hours. The graph of the function is shown.

Interpret the meaning of R (1.5) = 3

• After 1.5 hours, 3 cm of rain has fallen.

• After 3 hours, 1.5 cm of rain has fallen.

• After 1.5 hours, 1.5 cm of rain has fallen.

• After 3 hours, 3 cm of rain has fallen.

Which graph is not a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

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