Give the equation of the function whose graph is described.The graph of y = x2 is shifted 2 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 + 2)2 - 7
B. y = - 
(x - 2)2 + 7
C. y = - 
(x - 2)2 - 7
D. y = 
(x - 2)2 - 7
Answer: A
Mathematics
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Use the Ratio Test to determine if the series converges or diverges.
A. Converges B. Diverges
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Determine the indefinite integral.
, x < ln 2
A. - 
csch-1 
+ C
B. 
tanh-1 
+ C
C. sinh-1 
+ C
D. - 
sech-1 
+ C
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Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 75°
A. 
B. 
C. - 
D. - 
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At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:Between 14.3 and 16.1 seconds
A. 47.5% B. 50% C. 68% D. 34%
Mathematics