$\"\"$

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The function is $\"\"$ and the interval is $\"\"$ .

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Apply derivative with respect to $\"\"$ .

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$\"\"$

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Product rule of derivative: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Find the relative extrema of the function equate $\"\"$ to zero.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ when $\"\"$ .

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Substitute $\"\"$ in the function.

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$\"\"$

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The critical point is $\"\"$ .

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Substitute $\"\"$ in the function.

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$\"\"$

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The critical point is $\"\"$ .

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Substitute $\"\"$ in the function.

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$\"\"$

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The critical point is $\"\"$ . \ \

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Relative maximum point are $\"\"$ and $\"\"$ .

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$\"\"$

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Graph :

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Draw a coordinate plane.

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Graph the function $\"\"$ .

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$\"\"$

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Observe the graph :

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Relative minimum point is $\"\"$ .

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Relative maximum points are $\"\"$ and $\"\"$ .

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$\"\"$

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Relative minimum point is $\"\"$ .

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Relative maximum points are $\"\"$ and $\"\"$ .