1. Air Is being pumped Into a spherical balloon Increasing the volume inside the balloon at a rate of 80 cm3/S. How fast is the radius increasing when the diameter of the spherical balloon is 50 cm? 2. A box with a square base and an open top must have a volume of 32,000 m3. Find the dimensions of the box that minimizes the amount of material used. 3. Find all values of c that satisfy the Mean Value Theorem for the function f(x) = J21: 4 on the interval [2, 10]