Exponential functions review

The table represents the number of burgers sold by a restaurant since it was opened. Which graph best represents the relationship between time and the number of burgers sold.

• 
• 

Enrico deposited $2000 in a savings account. Each month he will deposit an additional $25.

Which kind of function best models the relationship between time and the total amount in the savings account?

• Exponential

• Linear

The table gives the average mass of sunfish after it is born.

Which graph best represents the relationship between time and the average mass?

• 
• 

Is the relationship linear, exponential, or neither?

• Linear

• Exponential

• Neither

Is the relationship linear, exponential, or neither?

• Linear

• Exponential

• Neither

Shota invests $1000 in a certificate of deposit that earns interest. The investment's value is multiplied by 1.02 each year.

Which expression gives the investment's value after 5 years?

Fidel has a rare coin worth $550. Each decade, the coin's value increasesby 10%

Which expression gives the coin's value, 6 decades from now?

• it has been 5 minutes since the fire was discovered

• The area damaged by the fire is multiplied by 5 each minute.

• An area of 5 square meters had been damaged by the fire by the time it was discovered.

• Chinedu applied to his school 9 years ago.

• The summer housing costs were $1,090 the year that Chinedu applied to his college

• The summer housing costs increase by 9% each year.

• 
• 
•