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Class 12MathematicsRelations and FunctionsFunctionsMedium
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If (f(x)=\frac{x-1}{x+2}), what is the real domain?

Answer and explanation

Correct answer: (R-{-2})

Step 1: The denominator of the fraction is (x+2). Step 2: For the function to be defined, (x+2\ne0), so (x\ne-2). Step 3: The value that makes the denominator zero is removed from the domain.

Related tags

DomainRational FunctionDenominatorMediumFunctionsRelations And FunctionsMathematicsClass 12 Mcq
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  6. 6If (f={(1,2),(2,4),(3,6)}), what is the range of (f)?
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