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2) [3] Use division and the continuity of rational functions to compute the following limits. In each case, state the meaning of your result as: If x x c, then: f(x) ~ L, except for (possibly) x =c. Here: " ~" is an abbreviation for the phrase "is close to". lim x2 +7x-60 x-5 2x2 -7x-15 3) [3] Use Sign Charts to find the value of the indicated limit or state that it does not exist: a) lim x -2 b) lim x -2 c) lim x-2 x-4 x-4 *-+4+ x - 4 124 x-4