Exponential Test Review | Baamboozle - Baamboozle

Emily invests $1000 into an account that earns 3% interest per year. How much money will be in her account after 4 years?

$1125.51

Dave is investing $8000 into an account. His account has a 3.7% interest rate that is compounded monthly. How much money will be in his account in 8 years?

$10,750.86

A car that is bought for $18,700 will depreciate in value by 3% every year. Create an equation to model the situation

y=18,700(.97)^x

y=40(.73)^x What is the percent of decay?

27%

A population of a town is currently at 123,000 people. It is set to increase by 13% every year. Create an exponential function

y=123000(1.13)^x

A car is valued at $15,000 and will lose 10% of its value every year. Create an exponential equation

y=15000(.90)^x

y=4(.88)^x what is the percent of decay?

12%

y=4(1.05)^x what is the percent growth?

5%

Starbucks had 2 people in line to order, the people in line will double every hour. Linear or exponential

Exponential

Josh had 14 marbels and added 4 more to his collection each day. Linear or exponential?

Linear

Create an equation for the table

y=4(3)^x

Linear or Exponential

Exponential

Linear or Exponential

Linear

Create the equation for the table

y=5(4)^x

Linear or Exponential?

Linear

Create the equation for the graph

y=1(1/2)^x

Growth or decay?

Decay

Growth or decay?

Growth

What is the y-intercept?

5

Growth or decay?

Decay

Growth or decay?

Growth

y=1.87(.5)^x growth or decay?

Decay

y=5(1/2)^x What is the y-intercept?

5

y=6(1.5)^x What is the rate of growth?

50%

y=1/5(2)^x Growth or decay?

Growth

y=40(2)^x what does 2 represent in this equation?

Growth factor

y=40(2)^x what does the 40 represent in this equation?

y-intercept OR starting value

What is the formula for an exponential function?

y=a(b)^x