Find the indicated set.Let A = {2, 7, 9, 12, 15}, B = {3, 9, 11, 15, 20}, and C = {4, 8, 9, 10, 12, 14}.Find 
A. {2, 3, 4, 7, 8, 9, 10, 11, 12, 14, 15, 20}
B. {9, 12}
C. {9, 12, 15}
D. {9}
Answer: D
Mathematics
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Evaluate the integral.
d?
A. 
sin 
? - 
sin 
? + C
B. 
sin 3? + 
sin 7? + C
C. 
sin 
? + 
sin 
? + C
D. 
cos 
? + 
cos 
?+ C
Mathematics
Calculate the work done by the force F along the path C.F = -9yi + 9xj + 2z8k; C: r(t) = cos ti + sin tj , 0 ? t ? 7
A. W = 63
B. W = 126
C. W = 0
D. W = 
Mathematics
Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?
A. $1.00 B. $0.75 C. $1.75 D. $50
Mathematics
Find the domain of the function.f(x) = 
A. 
, or 
? 
B. 
, or (-?, -4) ? 
? 
C. 
, or 
? 
? (4, ?)
D. {x| x ? 4}, or (-?, 4) ? (4, ?)
Mathematics