Review 5-6

Evaluate the following logarithm:

log₃27

• 3

• 2

• -3

• ¹/₃

Evaluate the following logarithm:

log₄16

• 1

• -2

• 2

• ¹/₂

Evaluate the following logarithm:

log₅5

• 1

• 0

• -1

• ¹/₂

Rewrite the equation in logarithmic form.

• A
• B
• C
• D

Describe domain of the function shown: y=log₂(x+1)

• (-∞,∞)

• (-1,∞)

• (-1,3)

• (∞, -1)

You put your money into a savings account that earns 8% interest compounded annually.  If you originally invested $1,240, how much is in your account after 2 years?

• $1,438.40
• $1297.94
• $1,446.34
• $4017.60

Solve for r:
3^-3r = 3⁵

• -4
• -5/3
• 2
• 8

Solve: 7^-x = 49

• 1
• -1
• 2
• -2