Assume that x and y are both differentiable functions of t and find the required values of dy/dt and dx/dt. xy = 2 (a) Find dy/dt, given x 2 and dx/dt = 11. dy/dt = (b) Find dx/dt, given x-1 and dy/dt = -9. dx/dt = Need Help? Read It 2. [-/3 Points] DETAILS LARCALCET7 3.7.009. 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. ytan x; - dx dt - 3 feet per second (a) x dy W ft/sec dt (b) dy dt (c) x-0 dy dt Need Help? Read It 3. [-/1 Points] DETAILS LARCALCET7 3.7.011. The radius r of a circle is increasing at a rate of 6 centimeters per minute. Find the rate of change of the area when r-39 centimeters cm2/min. X- - 71 3 H4 ft/sec ft/sec