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help please.

if and only if and .

Observe the graph:

is undefined since there is no solid circle.

is does not exist because .

answered Apr 21, 2015 by david Expert

need help.

asked Apr 21, 2015 in CALCULUS by anonymous

help?

asked Apr 21, 2015 in PRECALCULUS by anonymous

Find the limit.

asked Jan 27, 2015 in CALCULUS by anonymous

Find the one-sided limit.

asked Feb 16, 2015 in PRECALCULUS by anonymous

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