Compound Interest

Compound Interest

Multiple Choice

What is the asymptote of y = 2^x ?

• y = 0

• x = 0

Multiple Choice

Which graph matches this equation?

Multiple Choice

Which equation matches this graph?

Multiple Choice

Which exponential equation could represent the graph shown?

• $$f\left(x\right)=3^{\left(x-3\right)}-2$$

• $$f\left(x\right)=3^{\left(x+3\right)}-2$$

• $$f\left(x\right)=3^{\left(x-2\right)}-3$$

• $$f\left(x\right)=3^{\left(x+2\right)}-3$$

Multiple Choice

An investment of $1000 grows by 4.2% each year. Which equation represents the situation?

• $$f\left(x\right)=1000\left(4.2\right)^x$$

• $$f\left(x\right)=1000\left(1.042\right)^x$$

• $$f\left(x\right)=1000\left(1.42\right)^x$$

• $$f\left(x\right)=1000\left(.042\right)^x$$

Multiple Choice

What is the percent increase or decrease that the following function represents?

$$f\left(x\right)=100\left(1.65\right)^x$$  

• 165% increase

• 65% increase

• 6.5% increase

• 65% decrease

Multiple Choice

What is the y-intercept of the graph

$$f\left(x\right)=2^{\left(x-2\right)}$$  

• 2

• 1

• -2

• 1/4

Multiple Choice

What is the average rate of change from x=2 to x=4

• 3/2

• 2/3

• 3

• $$f\left(x\right)=1000\left(.042\right)^x$$

Multiple Choice

What is the average rate of change from x=1 to x=2

• -2

• 1/2

• 2

• 4