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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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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