Nondifferentiability? Consider the following functions f.
a. Is f continuous at (0, 0)?
b. Is f
c. If possible, evaluate fx(0, 0) and fy (0, 0).
d. Determine whether fx and fy are continuous at (0, 0).
e. Explain why Theorems 12.5 and 12.6 are consistent with the results in parts (a)–(d).
90. f(x, y) = 1 – |xy|
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Chapter 15 Solutions
Calculus, Early Transcendentals, Single Variable Loose-Leaf Edition Plus MyLab Math with Pearson eText - 18-Week Access Card Package
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