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If (f:\mathbb{R}\to\mathbb{R}) is given by (f(x)=e^x), which statement is correct?

Answer and explanation

Correct answer: One-one but not onto

Step 1: (e^x) is increasing, so it gives different outputs for different inputs. Step 2: It never becomes zero or negative, so it does not cover all of (\mathbb{R}). Step 3: The same formula can have different properties with a different codomain.

Related tags

Exponential FunctionOne-OneNot OntoFunctionsRelations And FunctionsMathematicsClass 12 Mcq

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