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If (f:\mathbb{R}\to\mathbb{R}), (f(x)=\frac{1}{3}x-4), what type is (f)?

Answer and explanation

Correct answer: One-one

Step 1: This is a linear function of the form (mx+c). Step 2: Here (m=\frac{1}{3}\neq0), so different inputs give different outputs. Step 3: Do not be confused by a fractional coefficient; if it is non-zero, the linear function is one-one.

Related tags

One-One FunctionLinear FunctionFraction CoefficientClass 12One One FunctionRelations And FunctionsMathematicsClass 12 Mcq

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