Chapter 4.1, Problem 8QR

let f(x)= 5/x +-8/4x+1. Determine the values of x for which f(x) = -2

Please answer using only these numbers. And answer every single one  1.) Find (g○f)(x) and (f○g)(x) for the given functions f and g  F(x)=3x+5, g(x)=2x-8 Answers: (g○f)(x)=                    (f○g)(x)=  2.) Find (g ○f)(x) and (f○g)(x) for the given functions f and g. F(x)=x²+2x-3, g(x)=x+4 Answers:  (G○f)(x)= (f○g)(x)= #3.) Find (g○f)(x) and (f○g)(x) for the given functions f and g. F(x)=1/x², g(x)=square root x-2  Answers: (G○f)(x)=  (F○g)(x)=

Which one of these statements in relation to the function f(x)= x+3/x is false?

do not simplify the answer