(Section 1.2: Graphs of Functions) 1.2.10 “Zeros of a Fraction”If fx()is of the form numerator Nxdenominator Dx, then the zeros offare the zeros of Nthat are inDomf(WARNING 6). • In particular, a zero offcannot make any denominator undefined or equal to 0. Example 8 (Finding “Zeros of a Fraction”)Find the zeros (or roots) off, where =x2±9x+7. § SolutionSolve =0:
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