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 = 4, y = -10
A. r = 
B. r = 
C. r = 
D. r = 
Answer: C
Mathematics
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Find the area of the specified region.Inside the circle r = -8 cos ? and outside the circle r = 4
A. 
?
B. 8?
C. 
(2? + 3
)
D. 
(4? - 3
)
Mathematics
Write the fraction as a decimal using the bar notation.
A. 0.
B. 0.
C. 0.
D. 0.
Mathematics
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = x2 + 6x + 3
A. minimum at (-3, -6) B. maximum at (-6, 0) C. maximum at (-6, -3) D. minimum at (0, -3)
Mathematics
Convert to exponential notation.
A. -x2/9 B. x-2/9 C. x9/2 D. x-9/2
Mathematics