SOLUTION: For the given functions f, g and h, find f○g○h and state the exact domain of f○g○h. Please show all of your work. f(x) = 1/x g(x) - lnx h(x) = 2x+15

Algebra ->  Rational-functions -> SOLUTION: For the given functions f, g and h, find f○g○h and state the exact domain of f○g○h. Please show all of your work. f(x) = 1/x g(x) - lnx h(x) = 2x+15      Log On


   



Question 534463: For the given functions f, g and h, find f○g○h and state the exact domain of f○g○h. Please show all of your work.
f(x) = 1/x
g(x) - lnx
h(x) = 2x+15

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




The function cannot have an argument less than or equal to zero, so solve to find a set of values to be excluded from the domain. cannot have a zero in the denominator. Since , the value of that makes must be excluded from the domain.

John

My calculator said it, I believe it, that settles it
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