Subtract. Simplify, if possible.11
- 1
A. 12
B. 11
C. 9
D. 9
Answer: C
Mathematics
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Evaluate the integral.
dx
A. 
- ln
- 5 tan-1 x + ln(x2 + 1) + C
B. 
- 3 tan-1 x + 
ln(x2 + 1) + C
C. 
- ln 
+ 
ln(x2 + 1) + C
D. 
- ln
- 3 tan-1 x + 
ln(x2 + 1) + C
Mathematics
If the line passing through the points (2, a) and (4, -5) is parallel to the line passing through the points (7, 9) and (2, a + 11), what is the value of a? ?
A. -3 B. -8 C. -7 D. -5 E. -4
Mathematics
Find the horizontal asymptote, if any, of the graph of the rational function.f(x) = 
A. y = 1 B. y = 0 C. y = - 1 D. no horizontal asymptote
Mathematics
Find the common difference for the arithmetic sequence.-9, -14, -19, -24, . . .
A. -10 B. -5 C. -15 D. 15
Mathematics