Graph the pair of parametric equations with the aid of a graphing calculator.x = 6 sin t - sin 6t, y = 6 cos t - cos 6t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Given that the graph of y = f(x) lies between the graphs of y = l(x) and y = u(x) for all x, use the Squeeze Theorem to find 
f(x).u(x) = 1, l(x) = 1 - 
, f(x) = 
A. 0
B. 
C. 1
D. Does not exist
Mathematics
Find the length of the curve.The spiral r = 3?, 0 ? ? ? ?
A. 
B. 
(?
+ ln (? + 
))
C. 3
D. 8((?2 + 1)3/2 - 4)
Mathematics
Solve.9x - 9y - 6z = -116x + 3y - 3z = 1 x - y + 2z = -3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Based on meteorological records, the probability that it will snow in a certain town on January 1st is 0.329. Find the probability that in a given year it will not snow on January 1st in that town.
A. 0.490 B. 1.329 C. 3.040 D. 0.671
Mathematics