Solve the Problem $x$ Feet Long, Express the Area of the Dog Run as Dog

question 276

Multiple Choice

Solve the problem.
-Elissa wants to set up a rectangular dog run in her backyard. She has 24 feet of fencing to work with and wants to use it all. If the dog run is to be $x$ feet long, express the area of the dog run as a function of $x$ .

• A) \(A ( x ) = 11 x - x ^ { 2 }\)
• B) \(\mathrm { A } ( \mathrm { x } ) = 13 \mathrm { x } - \mathrm { x } ^ { 2 }\)
• C) \(\mathrm { A } ( \mathrm { x } ) = 14 \mathrm { x } ^ { 2 } - \mathrm { x }\)
• D) \(A ( x ) = 12 x - x ^ { 2 }\)

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Definitions:

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The substance that forms the supportive framework of an organism, including bone and cartilage in humans.

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