Estimate the sum or difference by rounding.
A. 125
B. 124
C. 100
D. 117
Answer: D
Mathematics
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Describe a one-to-one correspondence between the given set and one of its proper subsets. For example, if we gave you the set {3, 5, 7, 9, 11, ...}, the nth term is 2n +1. You could then write the correspondence by matching the elements of {3, 5, 7, 9, 11, ...} with the elements of the subset {5, 7, 9, 11, 13, ...}. The general correspondence would match 2n + 1 with 2n + 3.{5, 6, 7, 8, ...}
A.
| 5, | 6, | 7, | 8, ..., | n + 4, | ... |
| ? | ? | ? | ? | ? |
| 4, | 5, | 6, | 7, ..., | n + 3, | ... |
B.
| 5, | 6, | 7, | 8, ..., | n + 4, | ... |
| ? | ? | ? | ? | ? |
| 6, | 7, | 8, | 9, ..., | n + 5, | ... |
C.
| 5, | 6, | 7, | 8, ..., | n + 4, | ... |
| ? | ? | ? | ? | ? |
| 6, | 7, | 8, | 9, ..., | n + 6, | ... |
D.
| 5, | 6, | 7, | 8, ..., | n + 5, | ... |
| ? | ? | ? | ? | ? |
| 4, | 5, | 6, | 7, ..., | n + 3, | ... |
Mathematics
Use the factoring method to identify the LCD for the pair of fractions.
, 
A. 45 B. 5 C. 350 D. 70
Mathematics
Use the graph of the rational function shown to complete the statement.
As x?0-, f(x)? ?
A. -? B. 2 C. -2 D. +?
Mathematics
Graph the pair of parametric equations.x = 3t, y = t + 3, -2 ? t ? 3
A. 
B. 
C. 
D. 
Mathematics