Question

Given f(x) = √3x and g(x)=1/x-6 Which value is in the domain of f °g?

A.4
B.6
C.0
D.8​

Answer 1

B.6

Explanation:

You compose two functions: f is composed of g(x).

(f o g)(x) = f(g(x)) = f(1 / x - 6) = sqrt [3(1/x-6)]

The domain is where the expression is defined, (6,∞)