Question

Given f(x) = x^2 - 3 and g(x) = x + 2 over x. Find (g ° f)(4).

A) 11 over 3

B) 6

C) 15 over 13

D) -6

*Please show all work, thanks.)​

Answer 1

So this can be rewritten as g(f(4)) so you substitute 4 into the f(x) equation then your answer for that (13) gets substituted for x in g(x)