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Monotonically Increasing Functions

Find the maxi...

Question

Find the maxima of function $8 - 7 x^{2}$

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Solution

The function has extreme value at $f^{'} (x) = 0$
$⟹ f^{'} (x) = \frac{d}{d x} 8 - 7 x^{2} - 14 x = 0 x = 0$
At $x = 0$
The maxima of function is $8 - 7 (0) = 8$

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