Estimating a limit from tables Let f 1x2 = x2 - 4 x - 2 .

Chapter 2, Problem 11

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Estimating a limit from tables Let f 1x2 = x2 - 4 x - 2 . a. Calculate f 1x2 for each value of x in the following table. b. Make a conjecture about the value of lim xS2 x2 - 4 x - 2 . x 1.9 1.99 1.999 1.9999 f 1x2 _ x2 _ 4 x _ 2 x 2.1 2.01 2.001 2.0001 f 1x2 _ x2 _ 4 x _ 2

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