Find the standard form of the equation of the following conic section.center (-2, -9); r = 4
A. (x + 9)2 + (y + 2)2 = 4
B. (x - 2)2 + (y - 9)2 = 16
C. (x - 9)2 + (y - 2)2 = 4
D. (x + 2)2 + (y + 9)2 = 16
Answer: D
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Find the derivative of the function.y = x5cos x - 15x sin x - 15 cos x
A. x5 sin x - 5x4 cos x + 15x cos x B. -x5 sin x + 5x4 cos x - 15x cos x - 30 sin x C. -x5 sin x + 5x4 cos x - 15x cos x D. -5x4 sin x - 15 cos x + 15 sin x
Find the foci of the hyperbola.36x2 - y2 = 36
A. (
, 0), (-
, 0)
B. (6, 0), (-6, 0)
C. (0, 
), (0, -
)
D. (0, 6), (0, -6)
Find the angular velocity associated with the given rpm. Round to the nearest tenth. ? 9.3 rpm ?
A. 65 rad/min B. 67.9 rad/min C. 46 rad/min D. 55.3 rad/min E. 58.4 rad/min
Find a general term an for the geometric sequence.a1 = 
, r = -4
A. an = 
- 
(n - 1)
B. an = 
n-1
- 
C. an = 
? (-4)n-1
D. an = 
- 
(n - 1)