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OpenStudy (anonymous):
How would I show that f(x) = X^2 + √(7-x) is continuous at a=4?
8 years ago
OpenStudy (anonymous):
You need to check 3 things: take limit 4 from left side, take the limit 4 from the right side, and f(4). If all three are the same then it's continuous.
8 years ago
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