Given and , determine the domain of the quotient…

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

Problem

Given f(x)=x2−9f(x)=x^{2}-9 and g(x)=5−xg(x)=\sqrt{5-x}, determine the domain of the quotient (fg)(x)\left(\dfrac{f}{g}\right)(x). (a) (−∞,5](-\infty,5] (b) (−∞,5)∪(5,∞)(-\infty,5)\cup(5,\infty) (c) (−∞,5)(-\infty,5) (d) (−∞,5)∖{−3,3}(-\infty,5)\setminus\{-3,3\}

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