Question

Let f(x) = x^2 + 6 and g(x) =(x+8/x) . Find (g ° f)(–7).

Answer 1

63/55

Answer 2

d

Answer 3

how did you get that?

Answer 4

that's equal to g(f(-7)). so first evaluate f at x=-7, which is 55. then plug 55 into g (ie, g(55) = 63/55)

Answer 5

OK thx :D

Answer 6

np