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Use implicit differentiation to find y and evaluate yat (-1,-6). 9xy + y-48 = 0 y = Evaluate y at (-1,-6). yl(-1,-6)=0 (Find the intervals on which f(x) is increasing, the intervals on which f(x) is decreasing, and the local extrema. f(x) = x +

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Gives, 929 +y 48 - 0 On Diffentiating wit x. q + dol dx 2 a dy (asceildy O -99 doc Ty aching y= dy 13- -17 11 اره - 9y axal1 we can filxl>o (-0,0) Given flela 3+ 10x +21. hordes to plelco Now, tikla 3x²+ 10 1 find the critical point- from this iden

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