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

Answer and explanation

Correct answer: (R-{1})

Step 1: Let (y=\frac{x+1}{x-2}). Step 2: Solving gives (x=\frac{2y+1}{y-1}), if (y\ne1). Step 3: Hence all real values except (1) are in the range.

Related tags

RangeRational FunctionAlgebraMediumFunctionsRelations And FunctionsMathematicsClass 12 Mcq
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  3. 3In a function (f:A\to B), what is (A) called?
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