Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. 
A. 
B. 
C. 
D. 
Answer: C
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Use implicit differentiation to find dy/dx.xy + x = 2
A. 
B. - 
C. 
D. - 
Solve the application problem by adding integers.Lauren scored 4 points in her basketball game on Monday, 11 points on Wednesday, 14 points on Friday, and 10 points on Saturday. Find her total points scored for the week.
A. 39 points B. 38 points C. 29 points D. 40 points
Graph the system of inequalities.3x - 2y ? -6 x - 1 < 0
A. 
B. 
C. 
D. 
Solve the problem.A tightrope walker located at a certain point deflects the rope as indicated in the figure. If the weight of the tightrope walker is 140 pounds, how much tension is in each part of the rope? Round your answers to the nearest tenth. 
A. tension in the left part: 201.3 lb; tension in the right part: 270.1 lb B. tension in the left part: -859.0 lb; tension in the right part: 756.7 lb C. tension in the left part: -101.8 lb; tension in the right part: 89.7 lb D. tension in the left part: -121.8 lb; tension in the right part: -163.3 lb