Evaluate the integral.
dz
A. csc 
+ C
B. - 
csc 
+ C
C. -cot 
+ C
D. -csc 
+ C
Answer: D
Mathematics
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Simplify the expression.
- 
A. 
B. 
C. x + 3
D. 
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Solve the equation by completing the square. m2 - 14m + 49 = 0
A. {-7} B. {± 7} C. {14} D. {7}
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Using synthetic division, determine whether the numbers are zeros of the polynomial.5, 0; f(x) = 4x4 - 15x3 - 22x2 - 19x + 20
A. Yes; yes B. No; no C. No; yes D. Yes; no
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Find the standard form of the equation of the ellipse satisfying the given conditions.Foci at (0, ±2); length of the major axis is 8
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
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