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 = 1/4, y = -6
A. r = 
B. r = 
C. r = 
D. r = 
Answer: D
Mathematics
You might also like to view...
Find the x- and y-intercepts.f(x) = -x2 + 6x - 20
A. 
, (0, -20)
B. No x-intercepts, (0, -20)
C. No x-intercepts, (0, 20)
D. 
, (0, 20)
Mathematics
Find the exact value. Do not use a calculator.cos 
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.Coyotes are one of the few species of North American animals with an expanding range. The future population of coyotes in a region of Mississippi can be modeled by the equation 
, where t is time in years. Use the equation to determine when the population will reach 140. Round to the nearest tenth when necessary.
A. 9101.9 years B. 12 years C. 11.7 years D. 11.8 years
Mathematics
Approximate the number using a calculator. Round your answer to three decimal places.6 
A. 125.000 B. 3888.000 C. 13.416 D. 54.954
Mathematics