Convert the polar equation to rectangular form. Identify the curve.r = cos ?

A. x2 + y2 = y; a circle centered at  with radius 
B. x2 + y2 = x; a circle centered at  with radius 
C. (x + y)2 = y; a circle centered at  with radius 
D. (x + y)2 = x; a circle centered at  with radius 

Answer: B

Mathematics

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Use the integral test to determine whether the series converges.

A. converges B. diverges

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Find the Taylor polynomial of order 3 generated by f at a.f(x) = ln(x + 1), a = 6

A. P3(x) = ln 5 +  +  + 
B. P3(x) = ln 5 -  +  - 
C. P3(x) = ln 7 +  -  + 
D. P3(x) = ln 7 -  + - 

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Solve.3x2 - 2y2 = -385x2 + 3y2 = 95

A. (2, -5), (2, 5) B. (-2, -5), (-5, -2) C. (2, 5), (5, 2), (-2, -5), (-5, -2) D. (2, 5), (-2, 5), (2, -5), (-2, -5)

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