AT&T; 4G 9:43 PM webwork.usi.edu 2.2 A Numerical and Gr Problem 8 Previous Probl

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AT&T; 4G 9:43 PM webwork.usi.edu 2.2 A Numerical and Gr Problem 8 Previous Problem Problem List Next Problem (1 point) From Rogawski 2e section 2.2, exercise 19. Estimate the limit numerically or state that the limit doesn't exist lim 4r-12 (Enter F if the limit doesn't exist) Preview My Answers Submit Answers You have attempted this problem 0 times. You have 10 attempts remaining. Email instructor Page generated at 09/03/2017 at 09:43pm CDT WeBWorK © 1996-2017] theme: math4 I ww-version: WeBWork-2.13 | pg.version PG-2.13 The WeBWorK Project

Explanation / Answer

(x^2 - 4x - 12)/(x^2 - 5x - 6) = [(x - 6)(x + 2)]/[(x - 6)(x + 1)] = (x + 2)/(x + 1)

Applying the limit, we get

(6 + 2)/(6 + 1) = 8/7

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