Question

A particle is moving along the curve below.
y=sqrt{x}
As the particle passes through the point (4,2), its x-coordinate increases at a rate of 5 cm/s. How fast is the distance from the particle to the origin changing at this instant?

Answer 1

\[y= \sqrt{x}\]

Answer 2

never mind the other guy had no idea what he was talking about. i got it