Combining Exponential Functions

Logarithmic functions are the inverse of...

• Linear Functions

• Exponential Functions 

• Quadratic Functions 

• Polynomial Functions 

What is the initial value for the equation y = 2(1.2)^x?

• 1.2

• 20

• 120

• 2

Which of the following is an example of an exponential decay function with a y-intercept of 5?

• 
• 
• 
• 

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

• 300

• 1.16

• .16

• x

y = 4(3)^x

• Linear

• Exponential

• Neither

• All of the above

Linear, exponential, or neither?

• Linear

• Exponential

• Neither

• All of the above

Write an equations that models the data shown.

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

• 2

• 4

• (2)^x

• 8

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

• (.27)^x
• .27
• 13
• 3.51

Linear, exponential, or neither?
Amount triples each year

• Linear

• Exponential

• Neither

• All of the above