Exponential
100

Is it growth or decay? 

Growth

200

What is the a?

1

300

Is the a in the exponential formula the initial value or the decay factor?


y=a(1-r)x

initial value

400

What is the equation for exponential growth?

y=a(1+r)x

500

write an exponential growth equation including 12 as the initial value,20 as the rate, and 12% as the x.

y=12(1+.12)20