Question

A box is to be formed by cutting square pieces out of the corner of a rectangular piece of a 3" x 5" notecard as shown below. The sides are then folded up to form a box
a) Write the function that expresses the area of the bottom of the box as a function of the length of the side of one of the square pieces




b) How large should x be in order for the area of the bottom of the box to equal 10 in2? Round your answer to the nearest hundredth. (Attachment)

Answer 1

@RadEn