Find the indicated roots.Square roots of i
A. -i, i
B. 
- 
i, - 
+ 
i
C. 
+ 
i, - 
- 
i
D. -1, 1
Answer: C
Mathematics
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A. (positive, negative) B. (negative, positive) C. (negative, negative) D. (positive, positive)
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Find the value of the variable that satisfies the equation.
+ 3 = 12
A. x = 15 B. x = 92 C. x = 90 D. x = 54
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Is the following correspondence a function?DomainRange 
A. function B. not a function
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Solve the equation in the real number system.x4 - 8x3 + 16x2 + 8x - 17 = 0
A. {-4, 4} B. {-4, 1} C. {-1, 4} D. {-1, 1}
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