Posted by trish on Wednesday, April 24, 2013 at 10:36pm.
Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane.
F(x)= ln(8x)
I am totally lost, somebody please help????

pre calculus  Steve, Thursday, April 25, 2013 at 4:59am
y=ln(8x)
e^y = 8x
x = 8e^y
so, f^1 = 8  e^x
ln(u) is defined only for u>0, so that means the domain of F is all reals such that 8x > 0, or x<8.
ln(8x) has a vertical asymptote where 8x=0, or x=8.
range is all reals.
domain and range are swapped for the inverse.
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