Friday
November 28, 2014

Homework Help: calculus

Posted by Anonymous on Wednesday, March 13, 2013 at 9:12pm.

a)
If x3 + y3 - xy2 = 5, find dy/dx.

(b)
Using your answer to part (a), make a table of approximate y-values of points on the curve near x = 1, y = 2. Include x = 0.96, 0.98, 1, 1.02, 1.04.

(c)
Find the y-value for x = 0.96 by substituting x = 0.96 in the original equation and solving for y using a computer or calculator. Compare with your answer in part (b).

(d)
Find all points where the tangent line is horizontal or vertical.

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