Unit 2: Homework #3

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Who has the greater rate of change?

• Smith has the greater rate of change.
• Harmon has the greater rate of change.
• Macey has the greater rate of change.
• They have the same rate of change

In the equation y = 7-14x, what is the rate of change?

• 7

• 14

• -14

A man is climbing down from 100 feet high descending 30 feet per minute. What is the rate of change?

• -30

• 30

• 100

• -100

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 are the two points that can be used to solve for slope?

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 rate of change (m) in this situation?

A caterer charges $120 to cater a party for 15 people and $200 for 25 people. Assume that the cost, y, is a linear function of the number of x people.

What is the slope (m)?

Hint: Write 2 points to find slope.

What was the average rate of change in the number of fish caught per week between weeks 2 and 5?

• about 13 fish per week
• about 18 fish per week
• about 32 fish per week
• about 40 fish per week