Graph the parabola.y2 = -20x
A. 
B. 
C. 
D. 
Answer: A
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Provide an appropriate response.If an ellipse has vertices at (-3, 0), (3, 0), (0, 1), and (0, -1), what is its domain? What is its range?
A. Domain: [-1, 1]; Range: [-3, 3] B. Domain: [-3, 1]; Range: [-1, 3] C. Domain: [-3, 3]; Range: [-1, 1] D. Domain: [0, 3]; Range: [0, 1]
Solve the problem.Newton's law of cooling states that the rate at which a body changes temperature is proportional to the difference between its temperature and that of the surrounding medium. If a body is in air of temperature 25° and the body cools from 95° to 85° in 30 minutes, find the temperature of the body after 60 minutes. (Round to nearest degree.)
A. 72° B. 76° C. 81° D. 75°
Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 200° + i sin 200°)w = 4(cos 50° + i sin 50°)Find 
.
A. 
(cos 40° + i sin 40°)
B. 
(cos 40° + i sin 40°)
C. 
(cos 150° + i sin 150°)
D. 
(cos 150° + i sin 150°)
List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = 11x4 - x2 + 3
A. ± 
, ± 
, ± 1, ± 11
B. ± 
, ± 
, ± 1, ± 3, ± 11
C. ± 
, ± 
, ± 1, ± 3, ± 11
D. ± 
, ± 
, ± 1, ± 3