The function f(x) = 3x^2 models the packaging costs, in cents, for a box shaped like a rectangular prism. The side lengths are 4
x ft, 5x ft, and 6x ft. What are reasonable domain and range values for this function, if the longest side length of the box can be no greater than 90 ft?
To understand the stacking of cups, start with the height of one cup plus its lip's height. Following that, continue to add the height of each lip until the desired total height is reached. Thus, the total number of cups needed is 19.