(g o f)(x)=g(f(x))
basically put f(x) for every x in g(x) or evaluate f(x) for taht given value of x and then sub that for x in g(x)
evaluate woould be easier
f(-7)=(-7)^2+6
f(-7)=49+6
f(-7)=55
sub for x in g(x)
g(55)=55+8/55
g(55)=63/55
g(55)=1.145454545454
answer would be 63/55
