Factor out the common factor.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Find the indicated derivative.Find y " if y = 7 sin x.
A. y " = 49 sin x B. y " = 7 cos x C. y " = 7 sin x D. y " = - 7 sin x
According to the 2000 U.S. Census, Philadelphia, Pennsylvania, has a population of 1,517,550, of whom 812,443 are male. If 500 citizens of Philadelphia are selected at random, what is the probability that at least 250 of them will be male? (U.S. Bureau of the Census.)
What will be an ideal response?
Find the amplitude of the function. y = 3 sin x
A. 
B. 3
C. 2?
D. 3?
Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is shifted 3 units to the left. This graph is then vertically shrunk by a factor of 
and reflected across the x-axis. Finally, the graph is shifted 7 units downward.
A. y = - 
(x - 3)2 + 7
B. y = - 
(x + 3)2 - 7
C. y = 
(x - 3)2 - 7
D. y = - 
(x - 3)2 - 7