Find d2y/dx2 without eliminating the parameter.x = cot t - 3, y = 11 csc t - 2, 0 < t < ?
A. 
B. 11 sin t cos2t
C. 11 sin3t
D. 
Answer: C
Mathematics
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Find the slope of the line if it exists.
A. 6 B. -1 C. 1 D. -6
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Solve the problem.The frequency setting for a garage door opener is determined by the positions of ten switches, each of which can be set to a "+" or "-" position. In how many ways can the switches be set?
A. 1144 ways B. 1024 ways C. 100 ways D. 59,049 ways
Mathematics
Solve.6x + 12 > 2(2x + 10)
A. (-?, 4) B. (4, ?) C. (6, ?) D. (-?, 6)
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Find the inverse of the given function and express it in the form 
. Verify the result by showing that 
.
A. 
B. 
C. 
D. 
E. 
Mathematics