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What is the shape of the graph of the constant function \(f(x)=3\)?

Answer and explanation

Correct answer: Line parallel to the x-axis

For the constant function \(f(x)=3\), the value of \(y\) is \(3\) for every \(x\). Thus, all points have the form \((x,3)\), forming a horizontal line parallel to the x-axis. Option B is incorrect because a line parallel to the y-axis has a fixed \(x\)-coordinate. Exam tip: the graph of \(y=c\), where \(c\) is constant, is always parallel to the x-axis.

Related tags

Relations-And-FunctionsGraphs-Of-FunctionsConstant-FunctionStandard-FunctionsGraphs Of Standard FunctionsRelations And FunctionsMathematicsClass 11 Mcq

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