Solve the problem.If sin ? = - 
, and ? terminates in quadrant IV, then find sin 2?.
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Find the limit.
A. 
B. 2
C. 0
D. 
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-4x3y)4
A. (-4)4x7y4 B. -16x3y C. -16x3y4 D. (-4)4x12y4
Mathematics
The first several terms of a sequence are given. Find the indicated partial sum.1, -4, 7, -10, . . . ; S6
A. -8 B. -9 C. 4 D. 9
Mathematics
Round to the indicated place value.Round to the nearest thousandth: 1.4981
A. 1.49 B. 1.498 C. 1.50 D. 1.499
Mathematics