Question

Given f(x) = 4x and g(x)= 1/x-4 Which value is in the domain of fºg?

Answer 1

The given functions are

f(x) = 4x

g(x) = 1/(x - 4)

To find fog, we would substitute x = 1/(x - 4) into f(x) = 4x. Thus, we have

fog = 4[1/(x - 4)]

fog = 4/(x - 4)