Perform the indicated operation and simplify if possible.
A. 
B. 4
C. 2
D. 
Answer: C
Mathematics
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Find the integral.
dx
A. x - 4 - 9 ln 
+ C
B. 
- 4x + 9 ln 
+ C
C. 
- 9x + 4 ln |x + 6| + C
D. 
- 4x + 9 ln |x + 6| + C
Mathematics
Graph the function.y = 
A. 
B. 
C. 
D. 
Mathematics
Find the sum.-14.0 + (-11.2)
A. -25.2 B. 25.2 C. 2.8 D. -2.8
Mathematics
Simplify the expression.(1 + cot ?)(1 - cot ?) - csc2 ?
A. 2 cot2 ? B. 0 C. -2 cot2 ? D. 2
Mathematics