I only need the last one, I keep getting it wrong. The first two are correct

Let y be defined implicitly by the equation 111(2y) = 4933;. Use implicit differentiation to find the first derivative of y with respect to m. Note: Your answer should only involve the variables a: and 3;. You should simplify your answer as much as possible before entering it into WeBWorK. . . dzy Find the pomt on the curve where 2 = 0. dz: day - E = 0 at the pomt (51:, y) = (