Question: Use a graphing utility to graph f (x) = x 4 9x 2 over the interval (4, 4). Approximate any local maximum values and

Use a graphing utility to graph f (x) = x⁴ − 9x² over the interval (−4, 4). Approximate any local maximum values and any local minimum values. Determinewhere f is increasing and where it is decreasing. Round answers to two decimal places. -4 -2 YA 4 2 -2 -4 2 4 X

-4 -2 YA 4 2 -2 -4 2 4 X

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