Modeling with Exponential Functions

The function f(x) = 800(1.02)^x models money in a savings account. What is the initial amount of money?

• $800

• $1.02

• $816

• $16

The function f(x) = 800(1.02)^x models money in a savings account. Does this represent growth or decay?

• Growth

• Decay

The function f(x) = 800(1.02)^x models money in a savings account. How much money is in the account after 10 years?

• $8,160

• $8,000

• $975.20

• $4,953.39

Growth or decay?

• Growth

• Decay

Growth or Decay?

• Growth

• Decay

Find the multiplier for 6% Growth

• 0.06

• 1.06

• 0.94

• 1.6

Find the multiplier for 0.9% Decay

• 1.009

• 1.09

• 0.91

• 0.991

Which is the correct equation for a $10,000 painting that is increasing in value by 5% per year

• 10,000(0.05)^x

• 10,000(5)^x

• 10,000(1.05)^x

• 10,000(0.95)^x

Linear or Exponential?

• Linear

• Exponential

Linear or Exponential?

• Linear

• Exponential