Alg. 1B Graphs of Exponential Functions

Does the graph represent growth, decay, linear or none?

• Exponential Growth

• Exponential Decay

• Linear

• None

Determine which functions model exponential decay.

Evaluate the exponential function

f(x) = 3^x ; x = - 2

• -81

• -9

• 1/9

• -1/81

Which equation corresponds to the graph below.

• (0, 1)

• (0, 3)

• x= 0

• y = 0

What is the y-intercept of the function?

• none

• all real numbers

• (0, 80)

What is the initial value of f(x)= a⋅b^x

• x

• b

• a

• idk

What represents Growth/Decay on f(x)=a⋅b^x ?

• x

• a

• b

• Idk

What type of function is y=7(5)^x

• Exponential Growth

• Linear Function

• Exponential Decay

• Quadratic Function

What is the exponential factor of the following graph?

• Growth

• Deccay

• Linear

• None