Key
Features
Features
Growth or Decay?
Percent Rate
100
Exponential functions are written in what form?
y=a(b)x
100
How do you know if an exponential function represents decay?
If b is between 0 and 1
100
What is the percent growth/decay rate?
y=5(0.6)^x
40%
200
What does b represent in an exponential function?
the common ratio
200
How do you know if an exponential function represents growth?
If b is greater than 1
200
What is the percent growth/decay rate?
y=2(1.3)^x
30%
300
In an exponential function, a represents the initial value which is also known as the _____________?
y-intercept
300
Growth or Decay?
y=3.5(3)x
Growth
300
What is the percent growth/decay rate?
y=(0.01)^x
99%
400
What's the value of b?
b = 2
400
Growth or Decay?
y=9(0.8)x
Decay
400
What is the percent growth/decay rate?
y=1/2(0.7)^x
Decay.
30%
500
Exponential functions have a common ________________, while linear functions have a common ________________.
ratio/difference
500
Growth or Decay?
y=2x
Growth
500
What is the percent growth/decay rate?
y=60(1.33)^x
33%