Logarithmic Functions

Write as one logarithm. Simplify, if possible.
log₃9 + log₃27

• -1
• 5
• 4
• 1

Write as one logarithm. Simplify, if possible.
log₅125 - log₅25

• 1
• 0
• 5
• -1

Evaluate.
log₃81

• 4
• ¹/₄
• -4
• -¹/₄

Write in exponential form.
log₂32 = 5

• 2^-5 = 32
• 2³² = 5
• 2⁵ = 32
• 32⁵ = 2

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

log₉(x)+log₉(x+2)=log₉(35)

• 5
• -7
• 5, -7
• -7, -13

log(216)=(x-4)log(6)

• 1
• 3
• 7
• 0

2log₅7 = 3x+1 log₅49

• 1
• -1
• 5
• 0

Solve the equation for x.

• 22.198
• e
• 1.131
• 21.66

Solve the equation for x.

• 7.389
• 0.693
• 0.0183
• 6.581