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.How many cycles are there in the digraph that start and end at B?
A. 3
B. 0
C. 1
D. 2
E. none of these
Answer: D
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Graph the line and give the domain and the range.y + 4 = 0
A. D = {-4}, R = (-?, ?)
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D. D = (-?, ?), R = {-4}
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