Evaluate the determinant.
A. -1 - bc
B. bc - a
C. a - bc
D. -a - bc
Answer: D
Mathematics
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Graph the function. Specify the intervals over which the function is increasing and the intervals where it is decreasing.y = -x2/5
A. Increasing -? < x < 0
Decreasing 0 < x < ?
B. Decreasing -? < x ? 0
Increasing 0 ? x < ?
C. Increasing -? < x < ?
D. Decreasing -? < x < ?
Mathematics
Plot the complex number.z = 3 + i
A. 
B. 
C. 
D. 
Mathematics
Divide.
A. - 
+ 
i
B. - 
+ 
i
C. 
- 
i
D. 
- 
i
Mathematics
Multiply or divide as indicated.
รท 
A. 
B. -1
C. 
D. 
Mathematics