Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
> 0
A. (-?, -3] or [0, ?)
B. (0, ?)
C. (-3, 0]
D. (-?, -3) or (0, ?)
Answer: D
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Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Fifth roots of i
A. cos 90° + i sin 90°, cos 72° + i sin 72°, cos 144° + i sin 144°, cos 216° + i sin 216°, cos 288° + i sin 288° B. cos 90° + i sin 90°, cos 18° + i sin 18°, cos 162° + i sin 162°, cos 234° + i sin 234°, cos 306° + i sin 306° C. cos 270° + i sin 270°, cos 36° + i sin 36°, cos 108° + i sin 108°, cos 252° + i sin 252°, cos 324° + i sin 324° 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°
Evaluate the exponential expression.
2
A. 
B. - 
C. - 
D. - 
Find the length of the unknown side of the right triangle with legs a and b and hypotenuse c. Round to three decimal places, if necessary.a = 14, c = 20
A. b = 386 B. b = 13.928 C. b = 14.283 D. b = 24.413
Identify the system as consistent or inconsistent, and dependent or independent. x + 6y = 346x - 4y = 4
A. Consistent and dependent B. Inconsistent and dependent C. Consistent and independent D. Inconsistent and independent