Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(0, -2)
A. (2, ?)
B. 
C. (2, 0)
D. 
Answer: D
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Multiply and write answer in lowest terms.
× 
A. 
B. 
C. 
D. 
Use the graph to evaluate the expression.Find (f ? g)(5) and (g ? f)(3).
A. (f ? g)(5) = 52; (g ? f)(3) = 18 B. (f ? g)(5) = 28; (g ? f)(3) = -24 C. (f ? g)(5) = 2; (g ? f)(3) = 0 D. (f ? g)(5) = 52; (g ? f)(3) = 0
Add or subtract.
- 
A. - 
B. - 
C. 
D. 
Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Fifth roots of 1
A. cos 180° + i sin 180°, cos 36° + i sin 36°, cos 108° + i sin 108°, cos 252° + i sin 252°, cos 324° + i sin 324° B. cos 0° + i sin 0°, cos 72° + i sin 72°, cos 144° + i sin 144°, cos 216° + i sin 216°, cos 288° + i sin 288° C. cos 180° + i sin 180°, cos 72° + i sin 72°, cos 144° + i sin 144°, cos 216° + i sin 216°, cos 288° + i sin 288° D. cos 0° + i sin 0°, cos 36° + i sin 36°, cos 108° + i sin 108°, cos 252° + i sin 252°, cos 324° + i sin 324°