What geometric form do rotations move points along

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Write the sentence as an equation. b increased by 281 is d

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function