Mathematics

Mathematics

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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