Intro to Exponential Functions Growth vs Decay

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth

• Decay

What is a, the initial amount, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

What does the a in y=a(1+r)^x  represent?

• Time

• Rate

• Slope

• Initial Amount

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(1.35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

What is the decay rate in the following model?

• 1200

• .15

• .85

• 6

What is the decay factor in the following model?
A=1200(.85)⁶

• 1200

• -.15

• .85

• A

What is r, the growth rate, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Is y = 5(1.04)^x growth or decay?

• Growth

• Decay

Is y = 4(.20)^x growth or decay?

• Growth

• Decay

Is this exponential growth or decay?

• Growth

• Decay