Find the expected value of the probability density function to the nearest hundredth.f(x) = 1 - 
; [1, 4]
A. 2.67
B. 2.50
C. 2.83
D. 3.00
Answer: C
Mathematics
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Integrate the function.
dt
A. - 
+ C
B. - 
+ C
C. - 
+ C
D. - 
+ C
Mathematics
Find the indicated product.(x + 3) 3
A. x 3 + 9x 2 + 27x + 27 B. x 3 + 27x 2 + 9x + 27 C. x 3 + 3x 2 + 9x + 27 D. x 3 + 9x 2 + 9x + 3 E. x 3 + 9x 2 + 27x + 9
Mathematics
Perform the indicated operation(s). Simplify if possible.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics
Factor:
Mathematics