Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. ellipse, directrix parallel to the polar axis 
above the pole
B. ellipse, directrix perpendicular to the polar axis 
left of the pole
C. ellipse, directrix parallel to the polar axis 
below the pole
D. ellipse, directrix perpendicular to the polar axis 
right of the pole
Answer: C
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Find the first three terms of the Taylor series in x - a.ln x, a = 2
A. ln 2 - (x - 2) + 
(x - 2)2 - . . .
B. (x - 2) - 
(x - 2)2 + 
(x - 2)3 - . . .
C. ln 2 + 
(x - 2) - 
(x - 2)2 + . . .
D. 1 + 
(x - 2) - 
(x - 2)2 + . . .
Solve the problem.A pendulum bob swings through an arc 40 inches long on its first swing. Each swing thereafter, it swings only 60% as far as on the previous swing. How far will it swing altogether before coming to a complete stop? Round to the nearest inch when necessary.
A. 100 in. B. 50 in. C. 67 in. D. 133 in.
Change the numbers to their percent equivalents. Round to the nearest tenth of a percent.
A. 444.4% B. 4.4% C. 44.4% D. 55.5%
Provide an appropriate response.Identify the base and exponent in the expression -y13.
A. Base: -y, exponent: 13 B. Base: 13, exponent: y C. Base: y, exponent: 13 D. Base: 13, exponent: -y