Unit 7 Test - Exponentials & Logarithms

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

log₅25 = ?

• 2
• 5
• 125
• 10

Solve for x.
3^x = 27

• 2
• 4
• 3
• 5

The common logarithm has what base?

• 10
• 0
• e
• -e

Which of the following logarithmic

expressions has been evaluated

correctly? Select all that apply. #18

What is the domain of the function shown? #31

• (-∞, ∞)

• (0, ∞)

• [1, ∞)

• (1, ∞)

This is an example of:

• Linear Growth

• Linear Decay

• Exponential Growth

• Exponential Decay

• Linear Growth

• Linear Decay

• Exponential Growth

• Exponential Decay

• Because the 25 was bigger than one

• Because the 0.20 was bigger than one

• Because the 25 was less than one

• Because the 0.20 was less than one

• Linear Growth

• Linear Decay

• Exponential Growth

• Exponential Decay