Find the variance of the probability density function to the nearest hundredth.f(x) = 3x-4; [1, ?)
A. 0.75
B. 0.50
C. 0.69
D. 0.73
Answer: A
Mathematics
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Provide an appropriate response.Write x
in radical form.
A. 
B. 
C. 
D. 
Mathematics
Use a table of solutions to graph the quadratic equations.f(x) = x2 - 2
What will be an ideal response?
Mathematics
Write a general formula to describe the variation.The centrifugal force F of an object speeding around a circular course varies directly as the product of the object's mass m and the square of it's velocity v and inversely as the radius of the turn r.
A. F = 
B. F = 
C. F = 
D. F = 
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330° B. 5 cis 30°, 5 cis °60, 5 cis 90° C. 5 cis 90°, 5 cis °180, 5 cis 270° D. 5 cis °210, , 5 cis 270°, 5 cis 330°
Mathematics