Interpreting Functions

According to the graph, at what speed is this car traveling in miles per hour? Options: 80 mph, 20 mph, 40 mph, 160 mph

Tim bought a new phone. He paid $125 on the day of purchase, then $50 per month until it was paid off. What linear equation models this situation?

What is the rate of change demonstrated in this graph? Options: 2 cm per hour, 1/4 cm per hour, 1/2 cm per hour, 4 cm per hour

What does the rate of change represent in this situation? Options:

The sloth runs 1 feet in 3 minutes

The sloth runs 3 feet in 1 minute

The sloth runs fast

The sloth runs 6 feet in 1 minute

Which situation below is representative of an initial value?

• putting $300 a month into savings
• buying $30 worth of supplies for a lemonade stand
• Spending $3 per ride at the fair
• Paying $2 for parking every day

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

Which statement is true about this function? Options:

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

Over which interval of time is this person returning home? Options:

A

B

C

D

E

How long did it take Sam to get to school?

How long did Sam sit on the bench and wait for the bus? Options: 5 min, 10 min, 15 min, 20 min