May 27, 2015

Homework Help: math

Posted by Diana on Monday, June 21, 2010 at 10:39pm.

1. Consider the following equation.

xy + 7x + 5y = 8

(a) Differentiate both sides with respect to x to complete the following.

( blank )y ' + y + blank =0

(b)Solve for y ' in terms of x and y.

(c) Calculate dy/dx at the point (4,-4).

Can anyone help me on this questions I'm struggling so badly....

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