Find f(x)+g(x),f(x)−g(x),f(x)⋅g(x),f(x)/g(x),f(g(x)), and g(f(x)), if defined. (If an answer is undefined, enter UNDEFINED.) f(x)=x²+6 g(x)= 5−x (a) f(x)+g(x) __________ (b) f(x)−g(x) _________ (c) f(x)⋅g(x) ________ (d) g(x)/f(x)__________ (e) f(g(x))_______ (f) g(f(x))________