Question 830347
f(x)=x^2+7 and g(x)= x+3/x find (g o f)(-5)

The combined function (g o f)(x) = {{{((x^2+7) + 3)/(x^2+7)}}}
obtained by substituting x^2+7 for x
(g o f)(-5) = {{{(((-5)^2+7) + 3)/((-5)^2+7)}}} = 35/32