Use the given graph of a rational function r(x) to solve the problem.Find r(3).
A. 1
B. -3
C. 0
D. -1
Answer: A
Mathematics
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Solve the problem.You have 116 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 58 ft, width: 29 ft B. length: 58 ft, width: 58 ft C. length: 29 ft, width: 29 ft D. length: 87 ft, width: 29 ft
Mathematics
Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
A. 
B. -27
C. 1
D. Diverges
Mathematics
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Mathematics
Express the area of the region bounded by the given line(s) and/or curve(s) as an iterated double integral.The curve 
and the lines 
and 
A. 
B. 
C. 
D. 
Mathematics