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If (f:\mathbb{R}\to \mathbb{R}), (f(x)=\lceil x\rceil), what type is (f)?

Answer and explanation

Correct answer: Not onto because only integer values are obtained

Step 1: (\lceil x\rceil) is always an integer. Step 2: The codomain (\mathbb{R}) contains values like (\frac{1}{2}), which are not obtained. Step 3: For floor or ceiling functions with codomain (\mathbb{R}), check onto carefully.

Related tags

Relations And FunctionsOnto FunctionInteger ValuedMathematicsClass 12 Mcq

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