Maximum and Minimum Values A planter wants to hedge a four-sided enclosure. He has 48 metres of hedging to use for three sides of the enclosure. A canal forms the fourth side. Source: Stewart, J. 2015. Calculus, Early Transcendentials. Cengage Learning. Chapter 4, page 276]. Question 5 5.1 Assume that the enclosure has a breadth of x metres. Prove that the length of the enclosure is 48 2x metres. 5.2 Show an expression for the area of the enclosure. 5.3 Therefore, calculate the dimensions of the enclosure that will maximise the area. End of Section C

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