Question 4. (4 points for each part (a)-(c), graded for correctness) A witch wants to feed her giant some ice cream. She has a cube of ice cream that has dimensions 1 meter by 1 meter by 1 meter, but she knows the giant will want a 2 meter by 2 meter by 2 meter cube of ice cream. Fortunately, the witch knows an enlarging spell. She casts the enlarging spell which causes all three of the dimensions of the cube of ice cream to increase at a constant rate of 1 meter per sec0nd fer 1 secorrd after which the the cube of ice cream stays the same. Let V03) be the volume of the cube of ice cream at time t, where t = 0 is the moment the witch casts the spell. (c) At what rate is the volume of the ice cream cube increasing 0.5 seconds after the witch casts the spell