Calculating Rate of Change Over Interval

What is the average rate of change between hour 15 and hour 30?

• $93.75/hr

• $6.25/hr

• $43.75/hr

• $6.75/hr

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

• 200 feet/hour

• 116 feet/hour

• 150 feet/hour

• 170 feet/hour

Michael started a savings account with $300. After 4 weeks, he had $350, and after 9 weeks, he had $400. What is the rate of change of money in his savings account per week?

• $44/week

• $10/week

• $20/week

• $11/week

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

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts

Which rate of change represents the graph shown?

• -15 feet per minute

• 15 feet per minute

• -200 feet per minute

• 200 feet per minute

Which rate of change represents the following graph?

• 5 figurines on 1 shelf

• 0.5 figurines on 1 shelf

• 10 figurines on 1 shelf

• 40 figurines on 1 shelf

A rocket is 1 miles above the Earth in 30 seconds and 5 miles above the Earth in 2.5 minutes. What is the rockets rate of in miles per minute?

• 2 miles/minute

• 1 mile/minute

• 30 miles/minute

• 1.75 miles/minute

Calculate the average rate of change from 20 to 40 minutes.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

Find the average rate of change of Pete's height from 3 years old to 5 years old.

• 2 inches per year

• 8 inches per year

• 2 years

• 4 inches per year