Evaluate the integral.
A. - 
y2 sin 5y + 
y cos 5y + 
sin 5y + C
B. - 
y2 cos 5y + 
y sin 5y + 
cos 5y + C
C. - 
y2 cos 5y + 
y sin 5y + 
cos 5y + C
D. 
y2 cos 5y - 
y sin 5y - 
cos 5y + C
Answer: C
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A. 
B. 
C. 
D. 
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $4 per foot for two opposite sides, and $5 per foot for the other two sides. Find the dimensions of the field of area 750 ft2 that would be the cheapest to enclose.
A. 34.2 ft @ $4 by 21.9 ft @ $5 B. 24.5 ft @ $4 by 30.6 ft @ $5 C. 30.6 ft @ $4 by 24.5 ft @ $5 D. 21.9 ft @ $4 by 34.2 ft @ $5
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A. 37 B. 75 C. 140 D. 88 E. none of these
Solve the problem. Write ratios in lowest terms.Jim's house is built on a 3
-acre plot of land. Jane's house sits on a 2-acre piece of land. Find the ratio of the size of Jim's land to the size of Jane's land.
A. 
B. 
C. 
D. 