2х2-8х+7 x< 0 Suppose f (x) 9x2+5x-3' -4x3+6x²-15 Evaluate lim f (x) x > 0 х-бх3

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A: f(x) = 3x2 -x3  For relative maxima , f"(x) &lt;0 For relative minima , f"(x) &gt;0 

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Q: (2x2- 8х + 7 | 9x2 + 5x – 3' -4x3+6x2 – 15 Suppose f (x) x > 0 x – 6x3 Evaluate as lim f(x) X00

A: Let's find. 

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