1. A point is moving along the curve xy=1 angle When the point is at

Question

(4, 3) the x-coordinate decreases at the rate of 2 cm/sec. How

fast is the y-coordinate changing at that point?

Answer 1

what does "angle" have to do with this?
(4,3) is not on the graph of xy=1

It's not my job to figure out what you mean.
It's your job to say it so clearly you cannot be misunderstood.