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October 21, 2014

October 21, 2014

Posted by **Lost One** on Friday, December 21, 2012 at 12:03pm.

- Calculus -
**Steve**, Friday, December 21, 2012 at 12:14pmwhen x=4, y=3

x^2+y^2 = 25

2x dx/dt + 2y dy/dt = 0

2(4) dx/dt + 2(3)(-2) = 0

dx/dt = 12/8 = 1.5 m/s

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