Determine if the given ordered triple is a solution of the system.2x + 4y + z = 93x - 2y - z = 102x + y + 5z = -17(3, 2, -5)
A. Yes
B. No
Answer: A
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Find the limit.
tan x
A. 1 B. ? C. 0 D. -?
Find the curvature of the space curve.r(t) = 
(1 + t)3/2i +
(1 - t)3/2j + 
tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Let p represent the statement 7 < 8, let q represent the statement 2 < 5 < 6, and let r represent the statement 3 < 2. Find the truth value of the given compound statement.~(p ? r) ? ~(q ? r)
A. False B. True
Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 1000 people were afflicted with the disease in 2000, estimate the number of new cases in 2005. (Round to the nearest whole number.)
A. 63 new cases in 2005 B. 31 new cases in 2005 C. 16 new cases in 2005 D. 125 new cases in 2005