Consider the function. f(x) Estimate the following by evaluating fat x-values near 0. (Round your answer to four decimal places.) |x + 7|— |x − 7| lim I-0 |x+7|-|x - 7| O x Sketch the graph of f. -10-8-6 -4 y y 101 8 102 8 6 4 -10-8-6 -4-20 2 4 2 4 6 6 8 10 8 10 -10-8-6 -10-8 y 101 8 6 102 8 6 2 4 2 4 X X 6 6 8 8 10 10

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