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Class 12MathematicsRelations and FunctionsFunctionsMedium
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If (f(x)=x^2-3x), what is (f(x+2)-f(x))?

Answer and explanation

Correct answer: (4x-2)

Step 1: Write (f(x+2)=(x+2)^2-3(x+2)). Step 2: Simplifying gives (x^2+x-2). Step 3: Now (x^2+x-2-(x^2-3x)=4x-2).

Related tags

Function DifferenceQuadratic FunctionAlgebraMediumFunctionsRelations And FunctionsMathematicsClass 12 Mcq
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