Question

Find the domain of the function expressed by the formula: f(x)= 3x/(x−1)(x−2)

Answer 1

Domain: x < 1 or 1 < x < 2 or x > 2

Explanation:

Take the denominator(s) and compare to zero

(x-1)(x-2) = 0

Solve (x-1)(x-2)=0:

x = 1

x = 2