Graph the pair of parametric equations with the aid of a graphing calculator.x = 2 cos t + cos 2t, y = 2 sin t - sin 2t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve.The perimeter of a rectangle is 62 feet. Describe the possible length of a side if the area of the rectangle is not to exceed 198 square feet.
A. The length of the shortest side cannot exceed 22 feet. B. The length of the shortest side must be at least 9 feet. C. The length of the shortest side cannot exceed 9 feet. D. The length of the shortest side must be at least 22 feet.
Mathematics
Graph the equation and state its domain and range. Use interval notationx2 + y2 = 64
A. 
Domain = (-8, 8); Range = (-8, 8)
B. 
Domain = (-2
, 2
); Range = (-2
, 2
)
Mathematics
Match the graph to one of the listed functions. 
A. f(x) = -x2 + 8 B. f(x) = -x2 + 8x C. f(x) = x2 + 8x D. f(x) = x2 + 8
Mathematics
Solve the system of linear equations.
A. 
B. 
C. 
D. 
Mathematics