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Mathematics 5 Online
OpenStudy (anonymous):

How would you "remove the discontinuity" of f? In other words, how would you define f(5) in order to make f continuous at 5? f(x) = [(x^2 -2x -15)/x-5]

jimthompson5910 (jim_thompson5910):

Factor the numerator. Then cancel the common terms in the numerator and denominator.

OpenStudy (anonymous):

@mlfike Can you factorize x^2 -2x -15 = ...

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