Evaluate the function as indicated.Find f(-10) when f(x) = 7x - 12.
A. -58
B. -71.2
C. 58
D. -82
Answer: D
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.{0, 2, 4, 6, 8, ...}
A.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 0, | 2, | 4, | 6, | ..., | 2n + 2, | ...} |
B.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 0, | 2, | 4, | 6, | ..., | 2n - 1, | ...} |
C.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 0, | 2, | 4, | 6, | ..., | 2n - 2, | ...} |
D.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 0, | 2, | 4, | 6, | ..., | 2n, | ...} |
Mathematics
Solve.A square shed covers an area of 789 sq ft. What is the length of each side of the shed? (Round to the nearest tenth.)
A. 197.3 feet B. 188.2 feet C. 28.1 feet D. 32.4 feet
Mathematics
Write the equation that results in the desired transformation.The graph of y = x3, vertically compressed by a factor of 0.4
A. y = 0.4x3
B. y = (x + 0.4)3
C. y = 0.4
D. y = (x - 0.4)3
Mathematics
Find the numerical value of the expression for 
and 
A. a) 
b) 
B. a) 
b) 
C. a) 
b) 
D. a) 
b) 
Mathematics