Consider the function y = x ^(3) - 3xFind the intervals the function is increasing. Express your answer in interval notation (a,b)

FelisCatus asked Jun 1, 2023

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Consider the function
y = x ^(3) - 3x

Find the intervals the function is increasing. Express your answer in interval notation (a,b)

FelisCatus asked Jun 1, 2023

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15 votes

The given expression is

To know the intervals where this function is increasing, we graph it

As you can see from the graph, the increasing intervals are

$I=(-\infty,-1)\cup(1,\infty)$

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