Essay
Three sides of a fence and a wall form a rectangular enclosure. The total length of a fence used for the three sides is 240 feet. Let x be the length of the two sides perpendicular to the wall as shown.
Write the area A of the enclosure as a function of the length x . Then find the value(s) of x for which the area is 5500 ft2 .
Correct Answer:

Verified
Correct Answer:
Verified
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