Find all specified roots.Cube roots of 1.
A. 1, - 
+ 
i, - 
- 
i
B. -1, 1
C. 1, 
+ 
i, - 
+ 
i
D. 1, 
- 
i, - 
- 
i
Answer: A
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = x7ln x - 
x3
A. 8x6 - x2 B. x6 - x2 + 7x6ln x C. x7ln x - x2 + 7x6 D. 7x6 - x2
Solve the problem.A ship leaves point A and travels directly north to point B. From point B, the ship then travels due east to point C. The magnitude of the vector from point A to point C is 140. Find the magnitude of the northern vector. Find the magnitude of the eastern vector.
A. 70 north; 70 east
B. 70
north; 70
east
C. 70
north; 70 east
D. 70 north; 70
east
Find the area of the shaded region.
A. 132 square centimeters B. 142 square centimeters C. 630 square centimeters D. 48 square centimeters
For what values of c does the curve have maximum and minimum points?
Select the correct answer.
