Solve the problem.A probability function is defined by 
. Give the intervals where the function is increasing and decreasing.
A. increasing on (0, ?); decreasing on (-?, 0)
B. decreasing on (-?, ?)
C. increasing on (-?, ?)
D. increasing:on (-?, 0); decreasing on (0, ?)
Answer: D
Mathematics
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Find the limit.
A. 
B. 
C. 
D. Does not exist
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Find the first term and the common difference of the arithmetic sequence described. Give a formula for the nth term of the sequence.3rd term is 19; 8th term is 59
A. a = 3; d = 8; an = 8n - 5 B. a = 16; d = 8; an = 8n + 11 C. a = 11; d = 8; an = 3n + 8 D. a = 3; d = 8; an = 8n + 3
Mathematics
Find the midpoint of the line segment joining the two points.(-2, -3) and (4, -8)
A. 
B. 
C. 
D. 
Mathematics
Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics