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Find maximum or minimum values of the functions
$y = 25 x^{2} + 5 - 10 x$

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detailed solution

Correct option is B

For maximum and minimum value, we can put dydx=0dydx=50x-10=0x=15Further,d2ydx2=50or d2ydx2 has positive value at x=15, Therefore, y has minimum value at x=15.Substituting x=15 in given equation, we getymin=25152+5-1015=4

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Find maximum or minimum values of the functions y=25x2+5-10x

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Ready to Test Your Skills?

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Find maximum or minimum values of the functions
$y = 25 x^{2} + 5 - 10 x$