Simplify.72 + 52
A. 74
B. 48
C. 24
D. 144
Answer: A
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Find dy.y = ln(1 + x3)
A. 
dx
B. 
dx
C. 
dx
D. 
dx
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 100 pounds, how much tension is in each part of the rope? Round your answers to the nearest tenth. 
A. tension in the left part: -172.3 lb; tension in the right part: 144.5 lb B. tension in the left part: -184.9 lb; tension in the right part: -159.8 lb C. tension in the left part: -195.8 lb; tension in the right part: 164.3 lb D. tension in the left part: -213.3 lb; tension in the right part: -184.2 lb
Perform the indicated operation and express in lowest terms.
? 
÷ 
A. 
B. 
C. 1
D. 
Solve the problem.A(x) = -0.015x3 + 1.05x gives the alcohol level in an average person's bloodstream x hours after drinking 8 oz of 100-proof whiskey. If the level exceeds 1.5 units, a person is legally drunk. Find the rate of change of alcohol level with respect to time.
A. 
= -0.015x2 + 1.05
B. 
= -0.045x3 + 1.05
C. 
= -0.045x2 + 1.05x
D. 
= -0.045x2 + 1.05