Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of 64
A. 4(cos 45° + i sin 45°), 4(cos 165° + i sin 165°), 4(cos 325° + i sin 325°)
B. 4(cos 0° + i sin 0°), 4(cos 60° + i sin 60°), 4(cos 120° + i sin 120°)
C. 4(cos 90° + i sin 90°), 4(cos 210° + i sin 210°), 4(cos 330° + i sin 330°)
D. 4(cos 0° + i sin 0°), 4(cos 120° + i sin 120°), 4(cos 240° + i sin 240°)
Answer: D
Mathematics
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Find 
and 
.f(x, y) = 
A. 
= - 
; 
= - 
B. 
= - 
; 
= - 
C. 
= 
; 
= 
D. 
= - 
; 
= - 
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Find the range of the data set.11.2, 7.6, 8.5, 6.3, 9.1
A. 8.8 B. 4.9 C. 11.2 D. 8.1
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Solve the rational equation.
= 
+ 
A. 
B. - 
C. 3
D. -3
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Decide whether the slope is positive, negative, zero, or undefined.
A. Negative B. Undefined C. Positive D. Zero
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