Graph the pair of parametric equations with the aid of a graphing calculator.x = 3 cos t + cos 3t, y = 3 sin t - sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.The Lucas sequence LN is given by 1, 3, 4, 7, 11, 18, 29, 47, 76, 123, . . . .Note that 
From this, we might conjecture that LN × LN+3 =
- y where y =
A. 
.
B. 182 - 112.
C. 
.
D. 
.
E. none of these
Mathematics
Find the derivative of the function. Select the correct answer.
Mathematics
Expand the expression using the Binomial Theorem.(g - 2h)3
A. g3 - 3g2h + 6gh2 - 2h3 B. g3 - 8h3 C. g3 - 6h2g + 12hg2 - 8h3 D. g3 - 6g2h + 12gh2 - 8h3
Mathematics
In a certain village, the height of men in inches follows the Normal (69, 2.5) distribution. Find the probability that a randomly selected man from the village is between 67 in. and 71in. tall.
What will be an ideal response?
Mathematics