Find an equivalent equation in polar coordinates.y = x
A. r = cos ?
B. r = sin ?
C. sin ? = - cos ?
D. sin ? = cos ?
Answer: D
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Evaluate the integral.
A. 
sin 3x - 
sin 7x+ C
B. - 
cos 7x - 
sin 7 x + C
C. - 
cos 7x - 
cos 3x + C
D. 
sin 3x + 
sin 7x+ C
Perform the indicated operation. Simplify if possible.
+ 
A. 5x - 1
B. 
C. 
D. 
Solve the problem.Suppose the supply and demand for a certain videotape are given by: supply: p = 
q2; demand: p = - 
q2 + 32where p is price and q is quantity.How many videotapes are demanded at a price of $24?
A. About 8 B. About 7 C. About 9 D. About 6
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of -2i
A. 
(cos 45° + i sin 45°), 
(cos 117° + i sin 117°), 
(cos 189° + i sin 189°), 
(cos 261° + i sin 261°), 
B. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
C. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
D. 32(cos 54° + i sin 54°), 32(cos 126° + i sin 126°), 32(cos 198° + i sin 198°), 32(cos 270° + i sin 270°), 