Find the value of the rational expression for the given value. Make sure your fi nal answer is simplified completely.
; x = -9
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use a trigonometric substitution to evaluate the integral.
A. 
tan-1 
+ C
B. 
sin-1 
+ C
C. tan-1 
+ C
D. 
ln 
+ C
Mathematics
Solve the problem.Find the moment of inertia about the y-axis of a thin infinite region in the first quadrant bounded by the coordinate axes and the curve 
if 
.
A. 
B. 
C. 
D. 
Mathematics
Factor completely.-29x2 + x4 + 100
A. (x + 10)2(x - 1)2 B. (x + 5)2(x - 2)2 C. (x + 5)(x - 5)(x + 2)(x - 2) D. (x2 + 25)(x + 2)(x - 2)
Mathematics
Identify the intervals where the function is changing as requested.Decreasing
A. (-?, 3) B. (0, -2) C. (-?, -2) D. (0, 3)
Mathematics