Enhanced Algebra Unit 5 Exponential Functions

Is the pictured graph growth, decay, or linear or none?  

• Growth

• Decay

• Linear

• None

What is the y-intercept of the function?

• 2

• 3

• 1

• -2

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2

• 4

• (2)^x

• 8

Is the pictured graph growth, decay, or linear or none?  

• Growth

• Decay

• Linear

• None

Use the function, M=.05(2)^t, where M is the amount of money you have after t days.
What is the y-intercept?

• (0, .05)

• (0,2)

• (0, .1)

• (0,0)

In an exponential function, what does the 'b' represent?

• Input

• Rate of change

• Y-intercept

• Output

Which equation is represented by the table?

• y = 40(2)^x

• y = 40(1/2)^x

• y = 40 - 2x

• y = 40 - 1/2x

What type of pattern do exponential functions have?

• Adds or subtracts by the same number every time

• Multiplies or divides by the same number every time

• Square roots all the inputs