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Class 11 Mathematics Relations and Functions Real-Valued Functions, Their Domain and RangeExpert

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What is the domain of (f(x)=\sqrt{x}+\frac{1}{\sqrt{4-x}})?

Answer and explanation

Correct answer: ( [0,4) )

For (\sqrt{x}), (x\ge 0), and for the denominator square root, (4-x>0) is needed. Together, (0\le x<4).

Related tags

Relations-Functions Domain Radical Denominator Real Valued Functions Their Domain And Range Real Valued Functions Their Domain And Range Relations And Functions Mathematics

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