rate of change of years

The price of tomatoes went from $1.12 per lb to $1.96 per lb in three years. Find the rate of change of the price of tomatoes.

• $0.28 per lb per year

• $0.66 per lb per year

• $0.85 per lb per year

• 0.35 per lb per year

In a four year period, The Undertaker's bank account went from 8 thousand to 24 thousand. What is the rate of change?

• $4,000

• $8,000

• $16,000

• $20,000

The rate at which a plant grows is constant. At the 3rd week it is 12 inches tall and at the 5th week it is 20 inches tall. If this information is plotted on a coordinate plane, what is the y-coordinate of the point (1, y)?

• 1

• 2

• 4

• 9

Sarah is keeping up with how many miles her car gets per gallon. She starts with a full tank. After 448 miles, she fills up with 14 gallons. If she plots the points (0,0) and (14,448) on a coordinate plane, what would be the y-value of the point (1,y)?

• 32

• 16

• 26

• 28

The price of apples went from $1.99 per lb to $3.19 per lb in four years. Find the rate of change of the price of apples.

• $0.30 per lb per year

• $0.80 per lb per year

• $1.15 per lb per year

• $1.10 per lb per year

Jason is training for a marathon bike ride. His average speed increased from 3 miles per hour to 6 miles per hour in 3 months. Find the rate of change in the miles per hour that Jason bikes.

• 4 mile per hour each month

• 1 mile per hour each month

• 2 mile per hour each month

• 3 mile per hour each month

A baby elephant weighs 200 pounds at birth. Seven years later, the elephant's weight is 3,000 pounds. What is the rate of change of the weight of the elephant?

Responses

• 400 pounds per year

• 429 pounds per year

• 466 pounds per year

• 457 pounds per year

The price of oranges went from $.90 per lb to $1.20 per lb in five years. Find the rate of change of the price of oranges.

• $0.06 per pound per year

• $0.30 per pound per month

• $3.60 per pound per five years

• $0.12 per pound per day