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How to find the x intercept of a rational function

To find the x-intercept of a rational function, set y=0 and solve for x. For example, consider the rational function f(x)=2x/(x^2+1). To find the x-intercept, set y=0 and solve for x:

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How to Graph a Rational Function in the TI 84

!A rational function is expressed in the form of p(x) / q(x), where q(x) is not equal to zero. Answer: To find the x-intercept of a rational function, we substitute y = 0 in the function and find the