Express in terms of i.- 
A. 2i
B. 2
C. -2i
D. -2
Answer: C
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Represent the data graphically.The production (in 1000's) at a manufacturing plant during an 8-week period was as follows:
A. 
B. 
C. 
D. 
Solve the problem.The approximate monthly average temperatures in degrees Fahrenheit in a certain city can be approximated by the function f(x) = -0.005x6 + 0.31x4 - 6.14x2 + 77with domain {x|-6 ? x ? 6}. Here x represents the month with 
corresponding to July. In most cities average temperatures decrease from July to December. What month violates this trend in this particular city?
A. August B. September C. October D. November
Multiply.
A. 8119 B. 8112 C. 912 D. 8105
?Use a table utility with x-values larger than 10,000 to investigate 
.What does the table indicate about ?
?
A. ?- 2
B. ?2
C. ?4
D. ?0
E. ?does not exist