Evaluate.-128
A. 28
B. -1
C. 1
D. -28
Answer: B
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Find the median. Round to the nearest tenth when necessary.The numbers of vehicles passing though a toll booth in one hour for seven consecutive hours are as follows: 6, 10, 11, 27, 32, 40, 45
A. Median = 27 vehicles B. Median = 11 vehicles C. Median = 24.9 vehicles D. Median = 32 vehicles
Find the average of the set of numbers.
, 
, and 
A. 
B. 
C. 
D. 
Solve the problem.The following table shows the number of rectifiers, in thousands, produced by Allied Electronics in the three years considered. For a function of the form f(x) = ax2 + bx + c that fits this data, what is the value of b? 
A. 11 B. 9 C. 12 D. 10
Determine whether the relation defines y as a function of x. Give the domain.y = - 
A. Not a function; domain (-?, 7) ? (7, ?) B. Not a function; domain (-?, 0) ? (0, ?) C. Function; domain: (-?, ?) D. Function; domain (-?, 0) ? (0, ?)