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Class 12MathematicsRelations and FunctionsFunctionsMedium
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If (f(x)=x+3) and (g(x)=2x-1), what is ((f\circ g)(x))?

Answer and explanation

Correct answer: (2x+2)

Step 1: ((f\circ g)(x)=f(g(x))). Step 2: Put (g(x)=2x-1) into (f). Step 3: (f(2x-1)=2x-1+3=2x+2).

Related tags

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