Consider . The domain of…

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Consider h(x)=x+2x2−9h(x)=\dfrac{\sqrt{x+2}}{x^{2}-9}. The domain of h(x)h(x) is (a) (−2,∞)∖{3}(-2,\infty)\setminus\{3\} (b) [−2,∞)[-2,\infty) (c) [−2,∞)∖{3}[-2,\infty)\setminus\{3\} (d) (3,∞)(3,\infty)

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