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Class 12MathematicsRelations and FunctionsFunctionsEasy
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If (f(x)=3x+6), what is (f^{-1}(0))?

Answer and explanation

Correct answer: (-2)

Step 1: (f^{-1}(0)) means solving (f(x)=0). Step 2: From (3x+6=0), we get (3x=-6). Step 3: Hence (x=-2).

Related tags

Inverse ImageLinear FunctionPreimageFunctionsRelations And FunctionsMathematicsClass 12 Mcq
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