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=40(2)^x what does the 40 represent in this equation?
y-intercept OR starting value
Linear or Exponential
Linear
Growth or decay?
Decay
What is the formula for an exponential function?
y=a(b)^x
y=6(1.5)^x What is the rate of growth?
50%
Create the equation for the table
y=5(4)^x
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
y=1/5(2)^x Growth or decay?
Growth
y=4(.88)^x what is the percent of decay?
12%
Linear or Exponential?
Linear
Growth or decay?
Growth
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
Linear or Exponential
Exponential
Starbucks had 2 people in line to order, the people in line will double every hour. Linear or exponential
Exponential
y=4(1.05)^x what is the percent growth?
5%
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
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
y=40(.73)^x What is the percent of decay?
27%
What is the y-intercept?
5
y=5(1/2)^x What is the y-intercept?
5
Josh had 14 marbels and added 4 more to his collection each day. Linear or exponential?
Linear
y=40(2)^x what does 2 represent in this equation?
Growth factor
y=1.87(.5)^x growth or decay?
Decay
Growth or decay?
Decay
Growth or decay?
Growth
Create the equation for the graph
y=1(1/2)^x
Create an equation for the table
y=4(3)^x
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