Topic 6: Exponential Functions Review

3x⁴ * 6x⁶

• 18x¹⁰
• 9x¹⁰
• 18x²⁴
• 9x²⁴

(x³y/z²)³

• x⁹y³/z⁶
• x³/y
• x⁶y4/z⁵
• 3x⁹y³/z⁶

(2xy/z)⁴

• 16x⁴y⁴/z⁴
• 8x⁴y⁴/z⁴
• 8x^-3y^-3/z^-3
• 16x^-3y^-3/z^-3

Given the following table of values, construct the function that represents the sequence.

• y = 3(4)^x

• y = 3x + 4

• y = 4(3)^x

• y = 4x + 3

Write an exponential function to model the situation. Solve.
2) The cost of tuition at a college is $12,000 and is increasing at a rate of 6% per year. What will the cost be after 4 years?

• C(t) = 12000(1.06)^t ; $3149.72
• C(t) = 12000(.06)^t ; $3149.72
• C(t) = 12000(.06)^t ; $1472.95
• C(t) = 12000(1.06)^t ; $15149.72

What is the equation that best represents the graph?

• y=2^y
• y=2^x
• y=2^-x
• y=x²

• 
• 

Change 6.5% to a decimal

• .65

• 6.5

• .065

• .065%

Caiden deposited $475 in an account that pays an interest rate of 3.8% compounded annually. What will be his balance after 15 years?

• $827.52

• $831.10

• $839.45

• $846.80

Is the pictured graph exponential growth, exponential decay, or linear or none?

• Exponential Growth

• Exponential Decay

• Linear

• None