Exponential Functions Practice

• 800
• 0.95
• 2000
• decay
• growth
• 5%
• 95%

• 455 wolves

• 455.04007 wolves

• no wolves

• 8360 wolves

• 120
• 0.75
• decay
• 25%
• growth
• 75%

• 28 inches

• 450 inches

• 120 inches

• 90 inches

• 720,500
• 1.022
• growth
• 2.2%
• decay
• 22%
• 1980

• 1,877,039 people

• 1877039.45 people

• 1,214,662 people

• 32,399,444 people

A population of humpback whales has 6,500 whales. The population decreases by 6% each year.

Choose the exponential function that represents this situation.

A population of humpback whales has 6,500 whales. The population decreases by 6% each year.

If we wrote an exponential function for this scenario, what would be b?

•  6,500

•  .06

•  94

•  0.94

A population of humpback whales has 6,500 whales. The population decreases by 6% each year.

If we wrote an exponential function for this scenario, what would be a?

The population of Townville is decreasing at a rate of 11% each year. If the starting population was 7,000 what equation represents the current population after x number of years?