Solve the problem.The table below gives the number of births, in thousands, to females over the age of 35 for a particular state every two years from 1994 to 2010. 
Use technology to find the quartic function that is the best fit for this data, where x is the number of years after 1994. Round to five decimal places.
A. y = 0.01723x4 - 0.62258x3 + 6.66654x2 - 18.98367x + 43.26566
B. y = 43.26566x4 - 18.98367x3 + 6.66654x2 - 0.62258x + 0.01723
C. y = - 0.01723x4 + 0.62258x3 - 6.66654x2 + 18.98367x - 43.26566
D. y = 0.02223x4 - 0.82248x3 + 8.66654x2 - 15.98367x + 41.96566
Answer: A
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, y =
, z = t²+1, from (1,4,2) to (2,1,17). Round your answer to four decimal places.
a. 14.824 b. 7.2041 c. 15.8306 d. 6.5706 e. None of these
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$9800, money earns 5% compounded annually, 8 years
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Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 