Find the expected value of the probability density function to the nearest hundredth.f(x) = 
; [3, 5]
A. 4.16
B. 4.20
C. 4.78
D. 1.31
Answer: A
Mathematics
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Provide an appropriate response.A sequence of rational numbers {rn} is defined by r1 = 
, and if 
then 
Find 
Hint: Compute the square of several terms of the sequence on a calculator.
A. 
B. 
C. 
D. 2
Mathematics
Match the given function to its graph.1) y = -3 sin
2) y = -3 sin
3) y = -3 cos
4) y = -3 cos
A)B)
?
width="200" />C)D)
?
A. 1A, 2C, 3D, 4B
B. 1C, 2A, 3D, 4B
C. 1A, 2C, 3B, 4D
D. 1B, 2D, 3A, 4C
Mathematics
Use common logarithms or natural logarithms and a calculator to evaluate to four decimal placeslog100 30
A. 3.4012 B. 4.6052 C. 0.7386 D. 1.354
Mathematics
Find the amplitude, period and mid-line. Also, find the maximum and minimum. y = 2sin (3t ) ? 5
What will be an ideal response?
Mathematics