We want to use properties of limits and algebraic methods to find x² – 81 lim x--9 x + 9 Note that the function is a -Select--- v function. The numerator and denominator are 0 at x = , and thus we have the indeterminate form -Select--- v at x = We can factor from the numerator and reduce the fraction. x2 - 81 9) lim x--9 lim x--9 x + 9 x + 9 = lim x→-9 - 9 ||

We want to use properties of limits and algebraic methods to find x² – 81 lim x--9 x + 9 Note that the function is a -Select--- v function. The numerator and denominator are 0 at x = , and thus we have the indeterminate form -Select--- v at x = We can factor from the numerator and reduce the fraction. x2 - 81 9) lim x--9 lim x--9 x + 9 x + 9 = lim x→-9 - 9 ||

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.5: Rational Functions

Problem 7E

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