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January 31, 2015

January 31, 2015

Posted by **Jeff** on Wednesday, December 15, 2010 at 12:01am.

a)-3.875

b0-3.75

c)-2.25

d03.75

e)3.875

- AP Calculus -
**Reiny**, Wednesday, December 15, 2010 at 8:08amx^2 + y^2 = 1

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

dy/dt = (-x dx/dt)/y

= -.6(3)/.8 = - 2.25

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