The best use for the sign chart when graphing rational functions will be checking whether F(x) is positive or negative for values of x. Option B is correct.
A function is a statement, rule, or law that specifies the connection between two variables. Functions are common in mathematics and are required for the formulation of physical connections.
When graphing rational functions, the sign chart is most useful for determining whether F(x) is positive or negative for certain x values.
Hence,option B is correct.
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