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Mathematics 15 Online
OpenStudy (anonymous):

Which of the following is the best use for the sign chart when graphing rational functions? A. To check whether F(x) reaches a maximum or a minimum B. To check whether F(x) has a positive or negative slope C. To check whether F(x) is a straight or curved line for values of x D. To check whether F(x) is positive or negative for values of x

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