Solve the problem.Let V be in ?4, involving evaluation of polynomials at -4, -1, 0, 1, and 4, and view ?2 by applying the Gram-Schmidt process to the polynomials 1, t, and t2.
A. p2(t) = t2 + 6
B. p2(t) = t2 - 
C. p2(t) = t2 + 
D. p2(t) = t2 - 
Answer: B
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Divide, simplifying if possible.
÷ 
A. 
B. 
C. 
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
Solve the inequality.4x2 + 5x < 6
A. 
B. (-?, -2) or 
C. (-2, ?)
D. 
Solve the problem.Andrea Gilford's savings account has a balance of $1102. After 4 years, what will the amount of interest be at 2% compounded quarterly?
A. $82.54 B. $11.02 C. $91.54 D. $96.54