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Class 12MathematicsRelations and FunctionsFunctionsEasy
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If (f(x)=\frac{x}{3}), what is (f^{-1}(x))?

Answer and explanation

Correct answer: (3x)

Step 1: Let (y=\frac{x}{3}). Step 2: Multiplying both sides by (3), we get (x=3y). Step 3: Hence the inverse is (f^{-1}(x)=3x).

Related tags

Inverse FunctionLinear FunctionDivisionMultiplicationFunctionsRelations And FunctionsMathematicsClass 12 Mcq
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