Let g(x)= x x-1 2 x+2 5x-1 x^ 2 -9

MATHEMATICS · Single correct · GCSE · Mathematics · Algebra · Algebra

Problem

Let

g(x)=\frac{x}{x-1}\cdot\frac{2}{x+2}\cdot\frac{5x-1}{x^{2}-9}.

The domain of

g

is (a)

\mathbb R\setminus\{-3,-2,3\}

(b)

\mathbb R\setminus\{-3,-2,0,\tfrac15,1,3\}

(c)

\mathbb R\setminus\{-3,-2,1,3\}

(d)

\mathbb R\setminus\{-3,-2,-1,1,3\}