3. Find the derivative of the following functions and simplify_your answers. a]. y = (:t:2 l :53)4 [3] hands 7 l f(m) : seem 4. If a snowball melts so that its surface area decreases at a rate of l \"3' . find the rate at which the diameter IJlllJ. decreases when the diameter is 10 cm. Draw a diagram and label the variables. Show all your work