Homework 1 to 3

Assume that x and y are both differentiable functions of t and find the required values of dy/dt and dx/dt. Y = Vx (a) Find dy/dt, given x = 9 and dx/dt = 8 dyldt = (b) Find dx/dt, given x = 81 and dy/dt = 3. dx/dt = Need Help? Read It Submit Answer 2. [-/10 Points] DETAILS LARCALC11 2.6.007. A point is moving along the graph of the given function at the rate dx/dt. Find dy/dt for the given values of x dt y = 2x + 3; - = 5 centimeters per second X = -1 cm/sec (b) X =0 cm/sec C) X =1 cm/sec Need Help? Read It Submit Answer 3. [-/10 Points] DETAILS LARCALC11 2.6.013. The radius r of a sphere is increasing at a rate of 7 inches per minute. (a) Find the rate of change of the volume when r = 8 inches. in. $/min (b) Find the rate of change of the volume when r = 34 inches. in. /min Need Help? Read It