Determine whether the relation is or is not a function.DomainRange 
A. Function
B. Not a function
Answer: B
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Find the coordinates of the y-intercept for the given equation.x + y = -7
A. (7, 0) B. (0, 7) C. (0, -7) D. (0, -1)
Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the set of counting numbers and the given set. Be sure to show the pairing of the general terms in the sets.
A.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
B.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
C.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
D.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). 
Determine the winner using the pairwise comparison method and if the winner received a majority of first place votes.
A. Jones; No B. Smith; No C. Smith; Yes D. Jones; Yes
Determine whether the given point is in the solution set to the given system.(2, 9, -4)2x - 5y - 9z = -5 x + y + z = 73x - y + 5z = 35
A. No B. Yes