Question

Assume f(x) = 2x + 8 and g(x) = 5. What is the value of (g o f)(3)?
(Points : 3)

Answer 1

observe that g(x) = 5 is a constant function

Answer 2

so watever x is, its value is always 5

Answer 3

(g o f)(3) = g(f(3)) = g(somthing) = 5