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

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What is the domain of the function (f(x)=\sqrt{x-2})?

Answer and explanation

Correct answer: ([2,\infty))

For a square root, (x-2 \ge 0), so (x \ge 2). In exams keep the expression under the square root ( \ge 0).

Related tags

Real-Valued-Functions Domain Square-Root Real Valued Functions Their Domain And Range Real Valued Functions Their Domain And Range Relations And Functions Mathematics Class 11 Mcq

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