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what is the base of exponential functions?
a>0
FV=
P(1+r/m)^mt
PV=
P/(1+r/m)^mt
FV compounded continuously=
Pe^rt
PV compounded continuously=
Pe^-rt
loga(x)=y
a^y=x
Population=
P0e^rt
lne1=0
e^0=1
lne=1
e^1=e
lne^x=x
e^x=x
e^lnx=x
x>0
ln(M*N)=
lnM+lnN
ln(M/N)=
lnM-lnN
ln(M^P)=
PlnM
find t for doubled in value
2=(1+r/m)^mt
d/dxlnx=
1/x
d/dxlnf(x)=
f’(x)/f(x)
d/dxe^x=
e^x
d/dxe^f(x)=
e^f(x)*f’(x)
d/dx(e)^kx=
k(e)^kx
d/dxln(1+e^x)=
e^x/1+e^x
expenditure, e(p)=
P*D(p)
rroc, d/dtlnf(t)=
f’(t)/f(t)
lnM^P=
PlnM