Find the limits in a) through c) below for the function f(x) = 2 X-X-42 Use X-7 a) Select the correct choice below and fill in any answer boxes in your choice. O A. lim f(x) = (Simplify your answer.) X-7 O B. The limit does not exist and is neither - ∞ nor ∞o. -∞o and ∞o when appropriate.

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