Show that f(x) is continuous at x=4

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There are three things to check:
1. f(4) exists
2. limit as x approaches 4 of f(x) exists
3. Your answers for #1 and #2 are the same.
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how can x=4 while simultaneously not being equal to 4?

Euphratesz
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this made no sense how did F(4) equale to 8

ChipsNPutts-wjpd
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why cant you just put 4 into x^2 - 16?

andy_
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There’s a hole at 4, so not continuous.

norbshay