Use the graph to solve the given equation. x2 + x - 30 = 0 y = x2 + x - 30
A. -6, -5
B. -5, 6
C. 5, 6
D. -6, 5
Answer: D
Mathematics
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Show that the set is infinite by placing it in a one-to-one correspondence with a proper subset of itself. Be sure to show the pairing of the general terms in the sets.{4, 6, 8, 10, ...}
A.
| { | 4, | 6, | 8, | 10, ..., | 2n + 6, | ...} |
| ? | ? | ? | ? | ? |
| { | 6, | 8, | 10, | 12, ..., | 2n + 4, | ...} |
B.
| { | 4, | 6, | 8, | 10, ..., | 2n + 3, | ...} |
| ? | ? | ? | ? | ? |
| { | 6, | 8, | 10, | 12, ..., | 2n + 5, | ...} |
C.
| { | 4, | 6, | 8, | 10, ..., | 2n + 2, | ...} |
| ? | ? | ? | ? | ? |
| { | 6, | 8, | 10, | 12, ..., | 2n + 4, | ...} |
D.
| { | 4, | 6, | 8, | 10, ..., | 2n + 2, | ...} |
| ? | ? | ? | ? | ? |
| { | 5, | 7, | 9, | 11, ..., | 2n + 4, | ...} |
Mathematics
Use the given figure to solve the problem.Find the bearing from O to B. 
A. N 40° W B. N 50° W C. N 40° E D. S 140° W
Mathematics
Add or subtract, as indicated.
+ 1
+ 2
A. 6
B. 6
C. 7
D. 6
Mathematics
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 4x - 5 
A. vertex (2, 9)
intercepts (5, 0), (- 1, 0), (0, 5)
B. vertex (-2, -9)
intercepts (-5, 0), (1, 0), (0, -5)
C. vertex (-2, 9)
intercepts (-5, 0), (1, 0), (0, 5)
D. vertex (2, -9)
intercepts (5, 0), (- 1, 0), (0, -5)
Mathematics