Given the function f(x) = Which f the following is/are true? (x- 1)(x + 1) 1. lim f(x) = +00 2-1+ 2. lim f(x) = -0 3. lim f(x) = +∞ 4. lim f(x) = -∞ r-1 1 and 3 only 3 and 4 only 1 and 2 only O 1, 2, 3, and 4

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