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OpenStudy (anonymous):
Which of the following is a necessary and sufficient condition for a function, f, to be continuous at the point x=4? A. lim(x->4) f(x) exists B. lim(x->4) f(x) does not exist C. f is differentiable at x=4 D. lim(x->4) f(x)=f(4) E. f is defined on an open interval containing x=4 Is it just A? I'm not sure why...
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OpenStudy (anonymous):
The function value MUST equal the limit in order for a function to be continuous.. So the answer is D
OpenStudy (anonymous):
Oh, duh. Thank you!
OpenStudy (anonymous):
D is the definition
OpenStudy (anonymous):
D
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