No calculator. Must show all work

2. (5 points) A spherical snowball melts in such a way that at the instant at which its radius is 2 centimeters, its volume is decreasing at 12 cubic centimeters per minute. At what rate is the radius of the snowball changing at that instant? Given: ........... Find: .............. 3. (5 points) An entrepreneur has found that the weekly profit P(x) generated by the sale of x pounds of her product and measured in thousands of dollars is given by the following equation: P(x) = xInx - 2x + 4, where 1