Solve the problem.Find parametric equations for an object that moves along the ellipse 
+ 
= 1 with the motion described.The motion begins at (0, 2), is clockwise, and requires 4 seconds for a complete revolution.
A. x = 2 cos (
?t), y = 2 sin (
?t), 0 ? t ? 4
B. x = 2 sin (
?t), y = 2 cos (
?t), 0 ? t ? 4
C. x = 2 sin (4?t), y = 2 cos (4?t), 0 ? t ? 4
D. x = 2 sin (
?t), y = -2 cos (
?t), 0 ? t ? 4
Answer: B
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Provide an appropriate response.What mathematical tool is helpful in finding the fractal dimension?
A. tangent B. integration C. logarithm D. iteration
Simplify.
A. 
B. 
C. 36
D. 1
Find the least common multiple (LCM) of the pair of numbers.8 and 18
A. 2 B. 144 C. 72 D. 288
Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = x7 + x4 + x2 + x + 8
A. possible: 1 or 3 pos, 0 neg
actual: 1 pos, 0 neg
B. possible: 0 pos, 1 neg
actual: 0 pos, 1 neg
C. possible: 0 pos, 1 or 3 neg
actual: 0 pos, 1 neg
D. possible: 0 pos, 2 or 0 neg
actual: 1 pos, 0 neg