ABrooks,1st Period

Exponential Fuctions

100

Exponential Decay Y=a(1-r)^t

A fully inflated child's raft for a pool is losing 6.6% of its air everyday.the raft originally contained 4500 cubic inches of air write an equation to represent the loss of air,Estimate the amount of air in the raft after 7 days.

Equation=Y=4500(0.934)^t

Estimate The Amount of 7 days=2790

200

Exponents

3x4³

192

300

Exponential Functions 

f(n)=10x2ⁿ at n=5

320

400

Y=3(1.8)^x

1.Growth or Decay_____

2.Initial Value____

3.Growth or Decay Factor____

4.Growth or Decay Rate____

1.Growth or Decay=Growth

2.Initial Value=3

3.Growth or Decay=1.8

4.Growth or Decay=.8

500

Y=2(.94)

1.Growth or Decay___

2.Initial Value___

3.Growth or Decay Factor___

4.Growth or Decay Rate___

1.Growth or Decay=Decay

2.Initial Value=2

3.Growth or Decay Factor=.94

4.Growth or Decay Rate=.06