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Class 12MathematicsRelations and FunctionsFunctionsEasy
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If (f(x)=5x), what is (f^{-1}(x))?

Answer and explanation

Correct answer: (\frac{x}{5})

Step 1: Let (y=5x). Step 2: Then (x=\frac{y}{5}). Step 3: Replacing (y) by (x), (f^{-1}(x)=\frac{x}{5}).

Related tags

Inverse FunctionLinear FunctionMultiplicationFunctionsRelations And FunctionsMathematicsClass 12 Mcq
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