Can't seem to get my head round this question. Can anyone help please(adsbygoogle = window.adsbygoogle || []).push({});

A rectangular box with no lid is made from thin cardboard. The base is 2x centimetres long and x centimetres wide and the volume is 48 cubic centimetres. Show that the area, y square centimetres, of cardboard used is given by y = 2x^2 + 144x^-1

thank you

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# Homework Help: Rectangular box - find area

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