Exponential Basics

• A
  Growth
• B
  Decay
• C
  Both
• D
  Neither

Identify each function as representing exponential growth or decay.
f(x) = 5(1.09)^x

• growth

• decay

• A
  Growth
• B
  Decay
• C
  Both
• D
  Neither

Which function will show exponential behavior?
f(x) = (4.3)^x
g(x) = 4.3x + 9

• f(x)

• g(x)

• both

• neither

What are the asymptotes?

• x=-2 and y=-1

• x=-2 and y=1

• x=2 and y=1

• x=2 and y = -1

What is the horizontal asymptote?

• y = 2

• y = -2

• x = 2

• y = 0

What is the Range of the function?

• 0 < y < 180

• y > 80

• All Real Numbers

• 0 < x < 6

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

Does the graph represent growth, decay, linear or none?

• Exponential Growth

• Exponential Decay

• Linear

• None

A.9C A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

• f(x)=400(1+3)^x

• f(x)=400(1-0.03)^x

• f(x)=400(1+0.03)^x

• f(x)=400(0.03)^x