Key Features of Exponential Functions

Use the graph to determine: f\left(?\right)=15

Exponential functions involve repeated (a)   .

• Addition

• Subtraction

• Multiplication

• Division

'a' represents (a)   in an exponential function.

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

In an exponential function, 'b' represents (a)   .

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

The 'x' in an exponential function represents the (a)   .

• Slope

• Rate of Change

• Time Interval

• Common Ratio

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

• 300

• 1.16

• .16

• x

What is the asymptote of y = 2^x ?

• y = 0

• x = 0

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

• (.27)^x
• .27
• 13
• 3.51

What is the common ratio, b, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Which best describes the function?

• Decreasing, b-value > 1

• Decreasing, b-value between 0 and 1

• Increasing, b-value between 0 and 1

• Increasing, b-value > 1