Question

Multiple choice
Given f(x) = x^2 + 3 and g (x) = x+5/x Find (g o f) (4)

15
-15
14/19
24/19

Answer 1

(g o f)(4) = g(f(4))

Answer 2

First, find f(4). Then, substitute the value of f(4) into g(x)

Answer 3

Im confused (gof) (-4) = g (f(-4

Answer 4

would 15

Answer 5

f(x) = x^2 + 3
g(x) = (x + 5) / x
f(4) = 4^2 + 3 = 19
g(f(4)) = g(19) = (19 + 5) / 19 = 24 / 19