QCEVault

Further applications of differentiation — Question 165

Original QCE Vault practice · 6 marks

Q165 · Practice questionTechnology-freeComplex unfamiliar6 marks

QUESTION 165 (6 marks)

An open-top box with a square base has volume 500 cm3500\text{ cm}^3. Let the base side length be xx cm and the height be hh cm, as shown. Determine the dimensions that minimise the amount of material required to make the box.
Open-top box with square base side x, height h and volume 500 cubic centimetres.
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