Arectangular box has a square base with an edge length of x cm and a height of h cm. the volume of the box is given by v = x^2h cm^3. find the rate at which the volume of the box is changing when the edge length of the base is 4 cm, the edge length of the base is increasing at a rate of 2 cm/min, the height of the box is 15 cm, and the height is decreasing at a rate of 3 cm/min. the volume of the box is decreasing at a rate of 192 cm^3/min. the volume of the box is increasing at a rate of 288 cm^3/min. the volume of the box is decreasing at a rate of 288 cm^3/min. the volume of the box is increasing at a rate of 192 cm^3/min.