Find a value of k that will make f a probability density function on the indicated interval.f(x) = kx; [2, 4]
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the intervals on which the function is continuous.y = 
A. continuous on the interval 
B. continuous on the interval
C. continuous on the interval 
D. continuous on the interval 
Mathematics
Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
What is its maximum height?
A. 81,750 ft B. 2250 ft C. 7875 ft D. 2900 ft
Mathematics
Solve the problem.Given that P(A) = 0.48 and P(B) = 0.40, find P(A ? B) if A and B are mutually exclusive.
A. 0.688 B. 0.88 C. 0.192 D. 0
Mathematics
Perform the indicated operation.
+ 
A. 4x
B. - 
C. 0
D. -4x
Mathematics