Solve the compound inequality. Express the solution using interval notation or state that there is no solution.7x - 9 > 5 or -x + 7 ? -8
A. (2, ?)
B. (2, 15]
C. [2, 15)
D. (-?, ?)
Answer: D
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Apply Green's Theorem to evaluate the integral.
(4y dx + 2y dy)C: The boundary of 0 ? x ? ?, 0 ? y ? sin x
A. -2 B. -4 C. 0 D. 4
Solve the problem.Suppose that the random variables (X, Y) have joint PDF 
Find k and P(Y > 4).
A. 
; 4.22
B. 
; 0.7
C. 36; 4.22
D. 36; 0.7
Solve the problem.The following information on Company X appears in a stock table.
Find the cost to purchase 870 shares of Company X at the day's closing price. Assume that the transaction is automated (phone) and includes typical discount broker's commissions as follows, using Firm A: 
A. $28,924.05 B. $28,923.05 C. $28,945.09 D. $28,910.10
Solve.By Newton's method, find the positive root of the equation 
A. 1.7162523 B. 0.89225713 C. 0.77498081 D. 1.9618842