Precalculus Flashcards

Logarithms

1
Q

Log base e (x) =

A

ln x

natural logarithmic function

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2
Q

y = lnx is the same as

A

x = e^y

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3
Q

Natural Log Property #1

ln1=0 because

A

e^0=1

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4
Q

Natural Log Property #2

e=1 because

A

e^1=e

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5
Q

Natural Log Property #3

e^x = x and

A

e^lnx = x

inverse properties

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6
Q

Natural Log Property #4

lnx = y then

A

x=y

one-to-one

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