Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. 
- 
i
B. - 
+ 
i
C. - 
- 
i
D. 
+ 
i
Answer: D
Mathematics
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Multiply and simplify.
? 
A. 
B. x - 3
C. 
D. 
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Determine the domain and range of the function.
A. domain: (-?, ?); range: [-3, 3) B. domain: (-?, ?); range: (-3, 3] C. domain: (-?, ?); range: [-3, 3] D. domain: (-3, 3]; range: (-?, ?)
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Identify the number as prime, composite, or neither.627
A. Composite B. Neither C. Prime
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