Question

Square of a side x are cut from each corner of an 8 inches * 5 inches rectangle, so that its sides can be folded to make a box with no top. Define a function that can represent the volume of this box.

Answer 1

v(x) = x (8 - 2x)(5 - 2x)

Answer 2

where the 2x came from?

Answer 3

Ineed examples

Answer 4

Very slow,