Rate of Change Problems

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

Which has the greatest rate of change?

• A

• B

Which has the greater rate of change?

• A

• B

Which has the greater rate of change?

• A

• B

Find the rate of change.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

• 4

• 4x

• 5

• -5

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

Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day.

The initial value (b) is _____.

Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day.

The slope (m) is ____.

A bus company took a tour bus on the ferry when there were 30 people aboard. The ferry charged the bus company $180.

The following week, the bus had 50 people on board and the ferry charged them $220.

What is the equation (y=mx+b) that represents this situation?