Simplify the power of i to i, 1, -i or -1.i-27
A. i
B. 1
C. -i
D. -1
Answer: A
Mathematics
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Find the quotient.-4 ÷ 
A. 
B. 
C. - 
D. - 
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Use the horizontal line test to determine whether the function is one-to-one.
A. No B. Yes
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Graph the polar equation.r sin ? = 2
A. 
B. 
C. 
D. 
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Find all solutions of the equation in the complex number system.x3 + 1 = 0
A. {-1}
B. {-1, 
+ 
, 
- 
}
C. {-1i, 
+ 
i, 
- 
i}
D. {-1, 
+ 
i, 
- 
i}
Mathematics