Solve the problem.Find a curve through the point (-12, 1) whose length integral, 1 ? y ? 2, is L = 
A. x = -12y5/2
B. x = 
C. x = 
D. x = -12
Answer: B
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Determine the discriminant of the quadratic equation. Use the value of the discriminant to determine whether the quadratic equation has two rational solutions, two irrational solutions, one repeated real solution, or two complex solutions that are not real.4x2 + 4x + 1 = 0
A. Two complex solutions that are not real B. Two irrational solutions C. One repeated real solution D. Two rational solutions
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Find the absolute value.
A. 38 B. -19 C. 0 D. 19
Insert < or > to make the statement true.-8 _____ 8
A. -8 > 8 B. -8 < 8