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6. Graphical Applications of Derivatives - Part 1 of 2!
6. Graphical Applications of Derivatives / The First Derivative Test / Problem 7
Problem 7

Given the function f(x)=∣x4−8x∣f(x) = |x^4 − 8x|, does f′(2)f^{\(\prime\)}\(\left\)(2\(\right\)) exist?