Question

G(x)=(1/x+2) and h(x)=3x domain of g o h

Answer 1

Explanation:

( g o h)(x) = g(h(x)) = g(3x) = 1/(3x+2)

( g o h)(x) exisit for 3x+2 ≠ 0

x ≠ -2/3

so the domain is : D = ]-∞:-2/3[ U] -2/3;+∞[