In Exercises 21 and 22

MATHEMATICS · Multi-part · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

In Exercises 21 and 22, estimate the slope of the tangent line to the graph of the function, if it exists, at the indicated points. (1) 21. f(x)=∣x∣f(x)=|x| at x=−2,2x=-2,2, and 0 . (2) 22. f(x)=tan⁡−1(x+1)f(x)=\tan ^{-1}(x+1) at x=−2,2x=-2,2, and 0 .

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