Use Newton's method to find an approximate answer to the question. Round to six decimal places.Where are the inflection points of f(x) = x4 + x3 - 5x2 + 3 located?

A. x ? -0.849689, 0.683023
B. x ? -1.100923, 0.933023
C. x ? -0.988578, 0.321912
D. x ? -1.099689, 0.433023


Answer: D

Mathematics

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Multiply the monomials.

A. - x8
B. - x6
C. x8
D. x6

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Solve the problem. Round your answer to the nearest tenth, if necessary.By switching service providers, a family's telephone bill decreased from  a month to $42. What was the percent of decrease? 

A. 16%
B. 19%
C. 17%
D.

8%

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Perform the indicated operations.

A. 4.7 B. 0.47 C. 47 D. 5.7

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Use a graphing calculator to solve the equation. Round to two decimal places.7x = 2.0

A. 1.35 B. -0.25  C. 0.36  D. -1.25 

Mathematics