Perform the indicated operation.(2p2 + 3p - p3 + 7) - (8p2 - 6p - p3 + 8)
A. -6p2 + 9p - 1
B. -6p2 - 9p - 15
C. -7p2 - 3p - 15
D. -7p2 - 2p3 - 3p - 1
Answer: A
Mathematics
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A discrete probability distribution for a random variable X is given. Use the given distribution to find the requested information.Find P(X ? 2).pi = 
0.2i 0.83 - i, xi = i, i = 0, 1, 2, 3
A. 0.104 B. 0.216 C. 0.992 D. 0.008
Mathematics
Simplify the fraction.
A. 
B. 
C. 
D. 
Mathematics
Integrate the function.
A. - 
sec4 3x + 
tan3 3x + 
tan 3x + C
B. - 
tan4 3x + 
tan3 3x + 
tan 3x + C
C. 
sec4 3x - 
tan3 3x - 
tan 3x + C
D. 
tan4 3x - 
tan3 3x + 
tan2 3x - 
tan 3x + C
Mathematics
Rationalize the denominator. Assume all variables represent positive real numbers.
A. 4
- 12
B. 4
+ 12
C. 4
- 3
D. 
Mathematics