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How does the graph of \(f(x)=2x^3\) compare with the graph of \(y=x^3\)?

Answer and explanation

Correct answer: Vertically stretched

In \(f(x)=2x^3\), the y-value of \(y=x^3\) is multiplied by 2 for every fixed \(x\). Thus, the graph is vertically stretched by a factor of 2. It is not vertically compressed, since compression occurs when the multiplying coefficient lies between 0 and 1. Exam tip: In \(y=af(x)\), \(|a|>1\) causes a vertical stretch, while \(0<|a|<1\) causes a vertical compression.

Related tags

Standard-FunctionsCubic-GraphVertical-TransformationGraphs Of Standard FunctionsRelations And FunctionsMathematicsClass 11 Mcq

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