Interpreting Graphs

Over which interval of time is this person returning home?

• A

• B

• C

• D

• E

How long did it take Sam to get to school?

• 5 minutes
• 20 minutes
• 1.25 km
• 1.25 minutes

How long did Sam sit on the bench and wait for the bus?

• 5 min
• 10 min
• 15 min
• 20 min

Which statement is true about this function?

• The function is never constant

• The function is always increasing

• The function is never decreasing

• The function increases at the same rate between the interval x=11:00 and x=13:00

List the types of intervals that the graph demonstrates in order.

• decreasing, constant, increasing, constant
• increasing, decreasing, constant
• increasing, constant, increasing, constant
• increasing, constant, decreasing, constant

The function is . . .

• increasing

• decreasing

The rate of change is . . .

• positive

• negative

The function is . . .

• increasing

• decreasing

The rate of change is . . .

• positive

• negative

At what rate did the rain fall?

• 2 cm per hour
• ¹/₄ cm per hour
• ¹/₂ cm per hour
• 4 cm per hour