Use the graph to evaluate the limit.
f(x)
A. -1
B. ?
C. does not exist
D. 1
Answer: C
Mathematics
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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.{7, 12, 17,22, ...}
A.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 7, | 12, | 17, | 22, | ..., | 5n + 1, | ...} |
B.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 7, | 12, | 17, | 22, | ..., | 4n - 1, | ...} |
C.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 7, | 12, | 17, | 22, | ..., | 4n + 2, | ...} |
D.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 7, | 12, | 17, | 22, | ..., | 5n + 2, | ...} |
Mathematics
Find the exact value of the expression.cos-1 (1)
A. -?
B. 
C. ?
D. 0
Mathematics
Solve the problem.P(x) = -x3 + 
x2 - 60x + 100, x ? 5 is an approximation of the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 5.5 hundred thousand B. 5 hundred thousand C. 4.5 hundred thousand D. 4 hundred thousand
Mathematics
Identify the set as finite or infinite.{6, 7, 8, . . ., 11}
A. finite B. infinite
Mathematics