Write the expression in the standard form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Answer: B
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Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
If we use decreasing-time algorithm to schedule this project with two processors, we should start by assigning
A. task B to one processor, task E to the other one. B. task A to one processor, task C to the other one. C. task A to one processor, task B to the other one. D. task B to one processor, task C to the other one. E. none of these
Evaluate the series, if it converges.
A. - 18 B. 27 C. 18 D. Does not converge.
Specify the domain of the function.f(x) = 
A. x ? 4 B. All real numbers C. x ? -4 D. x > 0
Find the value for the function.Find f(2x) when f(x) = -2x2 - 3x + 4.
A. -8x2 - 6x + 8 B. -4x2 - 6x + 4 C. -8x2 - 6x + 4 D. -4x2 - 6x + 8