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If \(f(x)=\frac{1}{x}\) and \(g(x)=x\), what is the value of the product function \((fg)(2)\)?

Answer and explanation

Correct answer: 1

For the product of functions, \((fg)(x)=f(x)g(x)\). Therefore, \((fg)(2)=f(2)g(2)=\frac{1}{2}\times2=1\). Option C is only the value of \(f(2)\), whereas the product of both function values is required. In exams, identify \((fg)(x)\) as the product of functions, not their composition.

Related tags

AlgebraReal FunctionsProduct Of FunctionsReciprocal FunctionAlgebra Of Real FunctionsRelations And FunctionsMathematicsClass 11 Mcq

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