The quartile points for a probability density function are the values x1, x2, x3 that divide the area under the graph of the function into four equal parts. Find the quartile points for the probability density function f(x).f(x) = 
A. 
; 
; 
B. 
; 
; 
C. 
; 
; 
D. 
; 
; 
Answer: D
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Use a proportion to solve the problem.On a map of the Fox River, 1 centimeter represents 5 kilometers. If a trail by the river is actually 22.00 kilometers long, what is the length of the river on the map?
A. 12 cm B. 4.4 cm C. 17 cm D. 6.4 cm
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.12x2 - 40x + 4x3
A. (4x2 + 8x)(x - 5) B. 4x(x + 2)(x - 5) C. 4x(x - 2)(x + 5) D. (x - 2)(4x2 + 20)
Point P sweeps out central angle ? as it rotates on a circle of radius r. Find the angular velocity of point P.
?
?
A. 5 rad/min B. 3.47 rad/min C. 3 rad/min D. 4 rad/min E. 4.43 rad/min
Write the expression for the general (or nth) term, an, of the geometric sequence.4, 2, 1, 
,. . .
A. an = 4(2)n-1
B. an = 
(4)n-1
C. an = 4 
n-1
D. an = 4 
n-1