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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Determine whether the graph has an Euler path that begins and ends at different vertices. If the graph has such a path, say at which vertices the path must begin and end.
A. No B. Yes; E and F C. Yes; E and H D. Yes; A and H
Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = -x2/5
A. Increasing -? < x < 0
Decreasing 0 < x < ?
B. Decreasing -? < x ? 0
Increasing 0 ? x < ?
C. Increasing -? < x < ?
D. Decreasing -? < x < ?
Use a trigonometric substitution to evaluate the integral.
A. sec-1 (ex) + C
B. -2
+ C
C. sin-1 (ex) + C
D. ex sin-1 (ex) + C
For the given rectangular equation, write an equivalent polar equation.x2 + 4y2 = 4
A. r2(4 cos2? + sin2?) = 4 B. r2(cos2? + 4 sin2?) = 4 C. cos2? + 4 sin2? = 4r D. 4 cos2? + sin2? = 4r