Find the difference.
A. -19
B. -9
C. 43
D. -43
E. 9
Answer: C
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Compute the definite integral as the limit of Riemann sums.
dx
A. 
B. 27
C. 0
D. 
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
Combine like terms.5x + 15x
A. 40x B. 20x2 C. 20x D. 75x
Use a graphing utility to graph the inequalities. Shade the region representing the solution set of the system.
?
?
?
A. ? 10
-10?
B. 10
-10?
C. ?10
? -10
D. ? 10
-10?
E. 10?
?
-10