Find all solutions of the equation in the complex number system.x3 + 1 = 0
A. {-1}
B. {-1i, 
+ 
i, 
- 
i}
C. {-1, 
+ 
i, 
- 
i}
D. {-1, 
+ 
, 
- 
}
Answer: C
Mathematics
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A. -7 B. 7 C. -191 D. 191
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Which of the following functions is represented by the graph below?
A. ?
B. ?
C. ?
D. ?
E. ?
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A hot, wet summer is causing a mosquito population explosion in a lake resort area. The number of mosquitoes is increasing at an estimated rate of 
per week (where t is measured in weeks). By how much does the mosquito population increase between the 4th and th weeks of summer?
What will be an ideal response?
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Use sigma notation to write the sum.
?
?
A. 
B. 
C. 
D. 
E. 
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