Answer the question. POLLUTION  Years since 1990Use the ordered pairs (1, 12.82), (4, 17.92), and (8, 16.88) to find a quadratic function that models the data. Round the values of a, b, and c to two decimal places.

A. f(x) = 0.28x2 + 3.10x + 10.00
B. f(x) = -3.1x2 - 0.28x + 10.00
C. f(x) = 3.10x2 - 0.28x + 10.00
D. f(x) = -0.28x2 + 3.10x + 10.00


Answer: D

Mathematics

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Write the formula for Newton's method and use the given initial approximation to compute the approximations x1 and x2. Round to six decimal places.f(x) = e-x - ; x0 = ln 4

A. xn+1 = ; x1 = 1.795431, x2 = 1.851845
B. xn+1 = xn + ; x1 = 0.795431, x2 = 0.851845
C. xn+1 = xn - ; x1 = 0.905431, x2 = 0.741845
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?Simplify the factorial expression.

A. ?5040
B. ?504
C. ?3024
D. ?72
E. ?

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