SOLUTION: You have 700 feet of fencing to enclose a rectangular field. Express the area of the field, A, as a function of one of its dimensions, x.
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Question 266668: You have 700 feet of fencing to enclose a rectangular field. Express the area of the field, A, as a function of one of its dimensions, x.
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
The perimeter is expressed as
(i)
or
(ii)
dividing by 2 we get
(iii)
solve for y as
(iv)
---
area formula is
(v)
substituting (iv) into (v) we get
(vi)
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