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At what points $(x, y)$ in the plane are the functions in Exercises $27-30$ continuous?a. $f(x, y)=\frac{x+y}{x-y} \quad$ b. $f(x, y)=\frac{y}{x^{2}+1}$
a) The function is continuous at all $(x, y)$ but $x \neq y$b) The function is continuous for all $(x, y)$
Calculus 3
Calculus 1 / AB
Chapter 14
Partial Derivatives
Section 2
Limits and Continuity in Higher Dimensions
Applications of the Derivative
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five a four x comma y is equals toe explains why born X minus five. This function is continues at all. Ex coma by but X is nobody goes to buy part B I folks X comma by is equal to provide a upon X square plus form. This function is continues for all Exco Mobile Yeah.
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