4u + 1 - 3 1. (5 points) Evaluate the limit, if it exists. lim,-2 1 - 2 x- - X ifx +1 2. (5
4u + 1 - 3 1. (5 points) Evaluate the limit, if it exists. lim,-2 1 - 2 x- - X ifx +1 2. (5 points) Explain why the function f(x) = x2 - 1 is discontinuous at a = 1. 1, if x = 1
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