Answer:
A. 14x14x28
B. The maximum volume is 5488 cuibic inches
Step-by-step explanation:
The problem states that the box has square ends, so you can express volume with:

Using the restriction stated in the problem to get another equation you can substitute in the one above:

Substituting <em>y</em> whit this equation gives:

Now find the limit of <em>x</em>:

Find the length:

You can now calculate the maximum volume:

(x4−3x3+4x2−8)/(x+1) = x3−4x2<span>+8x−8.</span>
Step-by-step explanation:
V=pi r^2h
V=3.14x3^2x7
=197.82