Find the LCD for the list of rational expressions.
, 
A. (x + 2)(x - 4)(x + 1)
B. (x - 2)(x + 4)(x + 1)
C. (x + 4)(x + 1)
D. (x - 2)(x + 4)
Answer: B
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Determine whether the two parts of the following line approximate the Golden Ratio (Mean), and explain why.?
?
21 33.1?
?
A.
?yes, because 
B.
?yes, because? 
C.
no, because? 
D.
?a and b only
E.
?no, because 
Find the extreme values of the function and where they occur.f(x) = x3 - 12x + 2
A. Local maximum at (2, -14), local minimum at (-2, 18). B. None C. Local maximum at (-2, 18), local minimum at (2, -14). D. Local maximum at (0, 0).
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
A win-win lottery is organized. There are 130 wins, 30 of them are $70, 30 of them are $30, and 70 of them are $10. What is the average gain for a person who bought one ticket?
a. 28.462 b. 0.846 c. 81.538 d. 36.667