Exponential Functions

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

Is this exponential growth or decay?

• Growth
• Decay

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

Is this exponential growth or decay?

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

What is the growth factor of f(x) = 4(3)^x

• 4
• 3
• 1
• x

Is the following function Linear, Exponential Growth, or Exponential Decay, Neither:
f(x) = 2(.07)^x

• Linear
• Exponential Growth
• Exponential Decay
• Neither

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

• 300
• 1.16
• .16
• x

What is the rate (as a percent).
P(t) = 16(.752)^x

• 16.5%
• 75.2%
• 24.8%
• .248%

Change 6.75% to a decimal.

• 67.5
• .675
• 675
• .0675

y= 25,000(1.5)^x is the equation given.  What is the percent rate?

• 5%
• 1.5%
• 50%
• 150%

I deposit $25,000 into a car.  It depreciates at a rate of 10 percent.  What is the common ratio, or factor, for the equation of the problem?

• .10
• .90
• 1.10
• 25000