Find the mean of the random variable x associated with the probability density function over the indicated interval.
?
; 
?
A. ?
B. ?
C. 
D. ?
E. ?
Answer: C
Mathematics
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Solve and graph the inequality. Give answer in interval notation.-1 ? 
? 3
A. (-7, 1)
B. [-3, 5]
C. [-1, 7]
D. [-5, 3]
Mathematics
Substitute to find the value of the expression.A plane flies at 582 miles per hour. The time, in hours, for the plane to travel a distance of d miles is 
. How long will it take for the plane to travel 5820 miles?
A. 0.10 hr B. 3,387,240 hr C. 10 hr D. 13 hr
Mathematics
Write the first five terms of the sequence.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?none of the above
Mathematics
Find the vertical asymptotes of the rational function.f(x) = 
A. x = -1 B. x = -1, x = 4 C. x = -1, x = -4 D. x = 1, x = -4
Mathematics