Quiz 7.1-7.4 Review Activity

In an exponential function, what does the 'a' represent?

• Input

• Rate of change

• Y-intercept/Initial value

• Output

Is this exponential growth or decay?

• Growth
• Decay

Which equation matches the graph?

• y = 2^x+3
• y = 2^x + 3
• y = 2^x
• y = 2^-x

Select all the equations that represent exponential decay.

Solve 8 = 2^5x+7

• ⅘
• ¼
• -⅘
• -¼

Solve 3³ = 3^{4x + 2}

• ¼
• -¼
• ½
• -½

Solve for n:
2^-2n = 2⁶

• -1
• -7
• 5
• -3

Solve for b:
4^{3b - 3} = 1/16

• 7
• -1/4
• 1/2
• 1/3

Solve for p:
4^p+2 = 64

• -16/9
• 1
• 8
• 7/6

Evaluate.
log₃81

• 4
• ¹/₄
• -4
• -¹/₄