Exponential Functions Review

Exponential functions are the result of

• Repeated Multiplication

• Repeated Addition

In  $f\left(x\right)=ab^x$  the a-value represents...

• The initial value

• The growth rate

• The time or number of intervals

• The final result or outcome

What is the growth rate of the following function:  $f\left(x\right)=3\left(2\right)^x$  

• Doubling

• Tripling

• Halving

• Elevensies

What kind of equation is indicated by the pictured table?

• Exponential Decay

• Exponential Growth

• Linear Decay

• Linear Growth

 $f\left(x\right)=15\left(\frac{2}{3}\right)^x$  is an example of...

• Exponential Decay

• Exponential Growth

• Linear Decay

• Linear Growth

The pictured graph shows...

• Exponential Growth

• Exponential Decay

• Linear Growth

• Linear Decay

In the equation $f\left(x\right)=13\left(1.15\right)^x$  the b-value demonstrates a(n)...

• increase of 15% in value

• increase of 13% in value

• decrease of 15% in value

• decrease of 13% in value

In the equation $f\left(x\right)=8\left(0.73\right)^x$  the b-value represents a(n)...

• decrease of 27% in value

• decrease of 73% in value

• increase of 73% in value

• decrease of 8% in value

An manager of a Cava restaurant created a secret promotion on a Saturday. After an initial cost of $8 per food bowl, the manager would drop the price of each bowl sold throughout the day by 1%. What function represents the cost of a Cava bowl throughout the day?

• $f\left(x\right)=8\left(0.99\right)^x$

• $f\left(x\right)=8\left(0.01\right)^x$

• $f\left(x\right)=8\left(1.01\right)^x$

• $f\left(x\right)=0.01\left(8\right)^x$

Evaluate the following function: $f\left(x\right)=3\left(4\right)^x\ when\ x=2$  

• 48

• 24

• 19

• 11