Logarithmic Equations Practice

• -7 is reasonable because log(-4) = log (-4)

• -7 is not reasonable because log(-4) is undefined

• 1 is reasonable because log(4) = log(4)

• 1 is not reasonable because log(4) is outside the domain

• 5

• 15

• 25

• 375

• 10

• 8

• 6

• 4

Logarithmic functions are the inverse of...

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

The common logarithm has what base?

• 10
• 0
• e
• -e

Log with a base "e" (log_e) is the same thing as...

• "e"
• Natural Logarithm (LN)
• Common Logarithm (Log)
• Natural Log, base "e"
  LN_e