Test: Key Features of Logarithms

Logarithms and Exponentials are what?

• congruent

• parallel

• inverses

• equal to one another

A line that a function approaches but never touches is called a(n)

• intercept

• asymptote

• logarithm

• end behavior

The "common log" always has a base of...

• 1

• 0

• b

• 10

A logarithm increases if...

• b > 0

• b > 1

• o < b < 1

• b = 1

Which function DECREASES?

Which equation represents a parent function of a logarithm?

Which graph represents a logarithmic function?

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If a logarithm has key points at (1,0) and (3,-1) what is the base of the function?

• 1

• 3

• 1/3

• -3