A graphic artist is designing a small poster, which is to have margins of 6cm at the top and bottom, and 4 cm margins along each side.

A graphic artist is designing a small poster, which is to have margins of 6cm at the top and bottom, and 4 cm margins along each side. In order to save expenses, she wants the total area of the poster to be as small as possible, but the printed area has to be 384cm(squared)(a) find as expression for the total area A in terms of x and y.(b) what dimensions will minimize the total area?

A graphic artist is designing a small poster, which is to have margins of 6cm at the top andbottom, and 4 cm margins along each side. In order to save expenses, she wants the total areaof the...