1
Q
Log base e (x) =
A
ln x
natural logarithmic function
2
Q
y = lnx is the same as
A
x = e^y
3
Q
Natural Log Property #1
ln1=0 because
A
e^0=1
4
Q
Natural Log Property #2
e=1 because
A
e^1=e
5
Q
Natural Log Property #3
e^x = x and
A
e^lnx = x
inverse properties
6
Q
Natural Log Property #4
lnx = y then
A
x=y
one-to-one
