Asked by angelica
Find the inverse for graphing
y=f(x)=3^-x
y=f(x)=3^-x
Answers
Answered by
bobpursley
x=1/3<sup>y</sup>
ln x = -y ln (3)
y= -lnx/ln3
check that.
ln x = -y ln (3)
y= -lnx/ln3
check that.