Question

6. A farmer wishes to fence off an animal pen next to an existing wall. The pen is to be in the shape of a rectangle measuring x metre by y metre as shown in the diagram below

The farmer has 50 m of fence and wishes to use all of it in for this pen
a) Show that 2x + y = 50
b) Show that the area of the pen is given by [1]

A = 50x – 2x2 [2]
c) Find the maximum area of the pen [3] d) Justify that your answer to part c is maximum [2]​

Answer 1

Answer:

perimeter

Step-by-step explanation:

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