[2] {6 points] Sand falls from a conveyor belt onto a conical pile at a rate ol12 ft3 {min . The pile's height is always equal to twice the radius of...

[2] {6 points] Sand falls from a conveyor belt onto a conical pile at a rate ol12 ft3 {min . The pile’sheight is always equal to twice the radius of the base. At what rate is the height of the pilechanging when the radius of the base ofthe pile is 2 it? The volume of a cone is given by 93%th . [3] {8 points] Find the absolute maximum and minimum valua of the functionflx1=fimsx +sinx on the interval [0%