ch2 Rates of Change: Real-World Applications

A car travels a distance of 150 km in 3 hours. What is the average rate of change of the car's position with respect to time?

• 30 km/h

• 50 km/h

• 60 km/h

• 45 km/h

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

The population of a town increased from 20,000 to 25,000 over 5 years. What is the average rate of change of the population per year?

• 1,000 people/year

• 1,500 people/year

• 2,000 people/year

• 500 people/year

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

• 14

• 16

• 18

• 20

The temperature of a liquid decreases from 80°C to 60°C in 4 hours. What is the average rate of change of temperature?

• -5°C/hour

• -10°C/hour

• -15°C/hour

• -20°C/hour

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

• 800

• 900

• 1,000

• 1,100

• 42

• 44

• 46

• 48

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

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Calculate the average rate of change in water left in the pool from 20 to 40 minutes.

• 2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• 20 gallons per minute

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the slope of the graph from 4 to 5 seconds?

• 20

• 40

• 8

• 10

Tags

CCSS.HSF.IF.B.4

What is happening to the velocity from 4 to 5 seconds?

• increasing

• decreasing

• remaining constant

Tags

CCSS.HSF.IF.B.4