Compare Rate of Change Word Problems

Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles.
y=0.5x+10
What does the slope of the graph of this equation represent?

• The daily fee for the moving truck

• The per-mile fee for the moving truck

• How much Charlie paid for the truck

• The number of miles he drove

The equation c = 0.20t + 3.50 shows the relationship between the charge c in dollars for renting a kayak for t minutes.  What is the meaning of the slope of the equation?

• For $1.00, you can rent a kayak for 20 minutes.

• It costs $0.20 per minute to rent the kayak.

• You have to pay $0.20 up front before using the kayak at all.

• Every .2 minutes, you have to pay $1.00.

Find the rate of change.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

Which statement describes the rate of change of the line?

• $20 each week

• $30 each week

• $25 each week

• $70 each week

Identify the rate of change of the line.

• $6 each week

• $3 each week

• $18 each week

• $30 each week

Find the rate of change

• 2 dollars per ticket

• 1/2 dollar per ticket

• -1/2 dollar per ticket

• -2 dollars per ticket

Mr. Z is starting his own car club, there is a $30 join up fee and a $5 monthly fee. What is the rate of change?

• 30

• 5

A man is climbing down from 100 feet high descending 30 feet per minute. What is the rate of change?

• -30

• 30

• 100

• -100

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear

Find the rate of change

• 5

• -5

• -1/5

• 1/5