Simplify.
? 
- 7
A. 5
B. -2
C. -7(
+ 2
)
D. 18
Answer: B
Mathematics
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, a = 4
A. 
B. 
C. 
D. 
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A. 3 B. 7 C. 6 D. 5
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Determine if the complex number belongs to the Mandelbrot set.z = 0.4 - 0.7i
A. Yes B. No
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