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Home > CALC > Chapter 3 > Lesson 3.3.4 > Problem 3-137


For the absolute value function shown below, something interesting happens to the tangent of the function at . Can you draw more than one tangent at ? Do you think this function has any valid tangents at ?

Consider the slope as and then consider the slope as .

From the left, the slope appears to be .

From the right, what does the slope appear to be?