Unit 2 Review

Which best describes what happening in the graph

• Two people go to McDonald's each day

• McDonald's loses two customers each day

• McDonald's customers are doubling each day

• Nobody goes to McDonald's

Identify the function: Decreasing at a constant rate of -4. It started with a value of 10.

• Linear

• Exponential

• Neither

Identify the function: The amount of customers at a store is halved each year.

• Linear

• Exponential

• Neither

Identify the function: y=4x

• Linear

• Exponential

• Neither

Approximately 3.24 billion gallons of water flow over Niagara Falls daily.

• Continuous

• Discrete

The average person takes 1,000 steps a day

• Linear

• Exponential

The number of cell phone users in Centerville as a function of years, if the number of users is increasing by 75% each year.

• Linear

• Exponential