Mathematics, 06.04.2021 16:14 lillianmitchell580
Own work.
A small cuboid box has a rectangular base of length 3x cm and width x cm, where x>0. The height is y cm, where y>0. The sum of the length, width and height is 20 cm. [9 marks]
Write down an expression for y in terms of x. [1 mark]
The volume of the box is V cm^3. Find an expression for V in terms of x.
Find dv/dx
Find the value of x for which V is a maximum
Answers: 3
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A small cuboid box has a rectangular base of length 3x cm and width x cm, where x>0. T...
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