Exponential Functions Review

Front

What indicates that y = A * B^x is a growth model?

Back

B > 1

Front

What is the domain of an exponential function?

Back

(-∞, ∞)

Front

What type of function is represented by a graph that rises as x increases?

Back

Exponential Growth

Front

What is the range of the function y = A * B^x where A > 0?

Back

(0, ∞)

Front

Which function represents an initial amount of $15 with a 35% increase each year?

Back

y = 15(1.35)^x

Front

What is the general form of an exponential function?

Back

y = A * B^x

Front

What does the variable A represent in the function y = A * B^x?

Back

The initial value or amount.

Front

What does the variable B represent in the function y = A * B^x?

Back

The growth (B > 1) or decay (B < 1) factor.

Front

How do you determine if a function is exponential decay?

Back

If B < 1 in y = A * B^x.

Front

What is the effect of changing A in the function y = A * B^x?

Back

It changes the initial value of the function.