Posted by Jenn on Tuesday, January 3, 2012 at 11:07pm.
For the given function f,g, and h, find f*g*h and state the exact domain of f*g*h
f(x)=e^x
g(x)=log_x
h(x)=x/x+8

Functions  drwls, Wednesday, January 4, 2012 at 5:55am
I am not sure what you mean by
g(x) = log_x
If your g(x) is log(base e)(x) = ln x,
then
f*g(x) = e^(lnx) = x
and
f*g*h(x) = h(x) = x/(x+8)
However, x/(x+8) must be positive for g(x) to be defined.
Therefore x> 0 or x < 8 is the domain

Functions  Kon, Wednesday, January 4, 2012 at 7:21am
i thinkthe only ans is x> 0,its impossible to log a negative no.u may try to use a calculator to prove it. then x/x should be done first.so x < 8 or x> 8 is also possible.
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