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Class 12MathematicsRelations and FunctionsFunctionsEasy
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If (f(x)=5x), what is (f(a+b))?

Answer and explanation

Correct answer: (5(a+b))

Step 1: For (f(a+b)), replace (x) by the whole expression (a+b). Step 2: This gives (f(a+b)=5(a+b)). Step 3: Put the entire input in brackets.

Related tags

Symbolic SubstitutionFunction NotationLinear FunctionFunctionsRelations And FunctionsMathematicsClass 12 Mcq
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