Graph the function by starting with the graph of 
and using transformations.f(x) = -2(x + 4)2 + 5
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Refer to a normal distribution described by the following figure. The mean is ? and the standard deviation is ?.
The mean ? =
A. 48.5 B. 52.5 C. 32 D. 50 E. none of these
Mathematics
Solve the problem.Paul has grades of 74 and 80 on his first two tests. What must he score on his third test in order to have an average of at least 80?
A. at most 78 B. at most 80 C. at least 86 D. at least 77
Mathematics
Use the leading coefficient test to determine whether y?? or y?-? as
y = -x5 - 2x3 - 4x + 9
A. -? B. ?
Mathematics
Solve the problem. Round your answer to three decimals.What annual rate of interest is required to triple an investment in 7 years?
A. 8.497% B. 10.409% C. 16.993% D. 15.694%
Mathematics