Question

finding deltas algebraically
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Answer 1

Answer:

Given f(x) = x2, L = 4, xo = -2, e = 0.5 find delta. -0.5 < x2 - 4 < 0.5 3.5 < x2 < 4.5 (3.5)1/2 - (-2) < x - (-2) < (4.5)1/2 - (-2) =>|x - xo| < (3.5)1/2 - (-2) ~ 3.87 My text says the answer is 0.12