Find the torsion of the space curve.r(t) = (2t - 5)i + (t2 - 1)j + 5k
A. ? = 1
B. ? = 0
C. ? = -1
D. Undefined
Answer: B
Mathematics
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For the given graph, write the inequality in set-builder notation and interval notation.
A. {x|x > -1 or x < 3}, (-1, 3) B. {x|-1 < x < 3}, (-1, 3) C. {x|-1 ? x ? 3}, [-1, 3] D. {x|x ? -1 ? or x ? 3}, [-1, 3]
Mathematics
Solve.Within a group of n people, the number of possible handshakes, N, is given by 
How many handshakes are possible at a meeting if 28 people are present?
A. 756 handshakes B. 364 handshakes C. 378 handshakes D. 406 handshakes
Mathematics
Use the graph to answer the question.
Which month in 2008 had the lowest sales?
A. Month 2 B. Month 6 C. Month 3 D. Month 8
Mathematics
Solve the equation on the interval [0, 2?).cos 2x = 
- cos 2x
A. 
, 
, 
, 
B. 0, 
, ?, 
C. 
, 
, 
, 
D. no solution
Mathematics