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If (f(x)=\frac{2x+1}{x-3}), which value must be excluded from the domain of (f)?

Answer and explanation

Correct answer: (3)

Step 1: In a rational function, the denominator must not be zero. Step 2: Solving (x-3=0) gives (x=3), so this value cannot be in the domain. Step 3: In such questions, first set the denominator equal to zero to find excluded values.

Related tags

FunctionsDomainRational-FunctionRelations And FunctionsMathematicsClass 12 Mcq

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