Provide an appropriate response.Find all complex fourth roots of z = -16. Write each root in rectangular form.
A. 2 + i, 2 - i, -2 + i, -2 - i
B. 1 + i, 1 - i, -1 + i, -1 - i
C. 8
+ 8
i, 8
- 8
i, -8
+ 8
i, -8
- 8
i
D. 
+ 
i, 
- 
i, - 
+ 
i, - 
- 
i
Answer: D
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Provide an appropriate response.Find the sum of the series 
.[Hint: Write the series as 1 + 4 + 
= 5 + 
+ 3
+ 
.]
A. 5e B. 8(e - 1) C. 3e + 5 D. 9e - 11
Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. A is incident from C, D, and E; B is incident to D and E and incident from C; D is incident to C and incident from E.Vertex B has
A. indegree 3, outdegree 0. B. indegree 0, outdegree 3. C. indegree 2, outdegree 1. D. indegree 1, outdegree 2. E. none of these
Provide an appropriate response.Percents can contain:
A. mixed numbers and mixed decimals B. fractions C. whole numbers D. all of these
Solve and give interval notation for the solution set. Then graph the solution set.1 - 4x ? 6 or 1 - 4x < 4
A. 
, 
B. 
? 
C. 
? 
D. 
, 
