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OpenStudy (anonymous):
A particle is moving along the curve y=x√. As the particle passes through the point (4,2), its x-coordinate increases at a rate of 3cm/s. How fast is the distance from the particle to the origin changing at this instant?
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OpenStudy (anonymous):
i though that the answer was 3/4 what did i do wrong?
OpenStudy (anonymous):
A prticle is moving along the curve y=sqrt(x)
OpenStudy (anonymous):
please help
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