Rate of Change Practice

What is the average rate of change in the height of the corn plant from Day 4 to Day 28?

• 3 inches

• 2 inches

• $\frac{1}{2}\ inches$

• $\frac{1}{3}\ inches$

A family is traveling from their home to a vacation resort hotel. The table below shows their distance from home

as a function of time.

Determine the average rate of change (speed) between hour 0 and hour 7.

• .015 miles/hour

• 48.6 miles/hour

• 68.6 miles/hour

• 480 miles/hour

The table below shows the average diameter of a pupil in a person’s eye as he or she grows older.

What is the average rate of change, in millimeters per year, of a person’s pupil diameter from age 20 to age 80?

• 0.04

• 0.12

• 2.4

• 25

A weather balloon rose from a height of 100 m to 400 m in 3 minutes. What was the balloon’s rate of change?

• 33.3 meters/minute

• 100 meters/minute

• 133.3 meters/minute

• 166.7 meters/minute

A hiker climbs Mt. Marcy, the highest point in New York State, gaining 3170 feet in elevation. It takes them 4 hours to climb. What is the hikers rate of ascent in feet per hour?

• .001 feet/hour

• 396.25 feet/hour

• 792.5 feet/hour

• 3166 feet/hour

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

Calculate the rate of change from the graph.

• 40 miles per 1 hour

• 40 hours per 1 mile

• $\frac{80}{2}$ hours per 1 mile

• 80 miles per 2 hours

Which of the following rates of change represent the following graph?

• $1 per pound
• $2 per pound
• $0.50 per pound
• $50 per pound

Calculate the rate of change from the graph.

• $10 per 1 hour

• $1 per 10 hours

• 4 hours per $40

• 1 hour per $10

Calculate the rate of change from the graph.

• $-6\frac{2}{3}$

• $-6\frac{2}{3}\$ minutes per 1 cubic feet

• 1 minute per $-6\frac{2}{3}$ cubic feet

• $-6\frac{2}{3}$ cubic feet per minute