Unit 4 Final Part 2

Write in exponential form.
log₂32 = 5

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

Convert 6^(x+2)=216 to logarithmic form

• log₂₁₆(x+2)=6
• log₆(x+2)=216
• log₆(216)=x+2
• log_(x+2)(216)=6

Solve for x:
log₄ x = 3

• 4
• 12
• 32
• 64

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

log₉(x)+log₉(x+2)=log₉(35)

• 5
• -7
• 5, -7
• -7, -13

3^{2x – 6}  = 81

• x = log 4
• x = 5
• x = 4
• x = -1

Solve the equation for x.

• 22.198
• e
• 1.131
• 21.66

Which function is graphed?

• ln(x-1)+2

• ln(x+1)-2

• ln(x+2)-1

• ln(x-2)+1

Logarithmic functions are the inverse of...

• Linear Functions
• Exponential Functions 
• Quadratic Functions 
• Polynomial Functions 

log₂(x² - 6) = log₂(2x+2)

• 4, -2

• No Solution

• 4

• -2