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Find the coordinates of all critical points on the following curves and state whether they are maximum,minimum or inflection points. Hence,sketch their graphs. y= 11+18x-6x

Find the coordinates of all critical points on the following curves and state whether they are maximum,minimum or inflection points. Hence,sketch their graphs.

y= 11+18x-6x³

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y1118x6x3 dydx1818x2 For critical points dydx0 18x218 x1 d2ydx236x at x1 d2ydx236 0 ... blur-text-image

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