Let . Which one of the following correctly describes the domain of…

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

Problem

Let

g(x)=\dfrac{3x-1}{x^{2}+4}

. Which one of the following correctly describes the domain of

g(x)

? (a)

\mathbb R\setminus\{-4\}

(b)

\mathbb R

(c)

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

(d)

\mathbb R\setminus\{\tfrac13\}