Solve.Elissa wants to set up a rectangular dog run in her backyard. She has 34 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) = 19x2 - x
B. A(x) = 18x - x2
C. A(x) = 17x - x2
D. A(x) = 16x - x2
Answer: C
Mathematics
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D. 
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