Solve the polynomial equation in the complex numbers.x3 - 3x2 + 9x + 13 = 0
A. {-1, 3 + 2i, 3 - 2i}
B. {-1, 2 + 3i, 2 - 3i}
C. {1, 2 + 
, 4 - 
}
D. {-1, 3 + 
, 3 - 
}
Answer: B
Mathematics
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Write the expression in the form a + bi.
A. - 
- 
i
B. - 
+ 
i
C. 
- 
i
D. 
+ 
i
Mathematics
Find A?B, the union of sets A and B.
 figure 1.png)
Mathematics
Sketch the logarithmic function.f(x) = log4(x - 2) + 4
A. 
B. 
C. 
D. 
Mathematics
The circle in the figure has a radius of r and center at C. The distance from A to B is x.
?
?
If 
and 
, find x.
?
Round the answer to the nearest whole number.
?
A. 10
B. 17
C. 13
D. 12
E. 15
Mathematics