Please need an answer asap

Given that x and y are functions of time, find the indicated rate of change. K dx It when x = 6, y =2, and - = - 1, given that xy = x + y. dx at =(Round to one decimal place as needed.) Given that x and y are functions of time, find the indicated rate of change. K dy dx Find - when x =3 and -= - 2, given that x* + y* = 162. =(Round to two decimal places as needed.) Given that x and y are functions of time, find the indicated rate of change. K dx Find - when y = 2 and = 3, given that x4 = 9y3 +9. dx at =(Round to two decimal places as needed.)