The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 5, y = -8
A. r = 
B. r = 
C. r = 
D. r = 
Answer: A
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = cos 5t, y = sin 4t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Use the appropriate addition formula to find the exact value of the expression.cos 
A. 
- 
B. - 
- 
C. 
D. 
Mathematics
Given the functions f(x) and g(x), find the appropriate sum or difference function.f(x) = 5x2 - 9 and g(x) = 5x2 + 6x + 5Find f(x) - g(x).
A. f(x) - g(x) = -6x - 4 B. f(x) - g(x) = 6x - 4 C. f(x) - g(x) = -6x - 14 D. f(x) - g(x) = 10x2 + 6x - 4
Mathematics
Find the volume of the following right prism. Round to the nearest tenth unless indicated otherwise.
A. 10,400 in3 B. 10,600 in3 C. 21,200 in3 D. 21,100 in3
Mathematics