f(x) = 0 when x is irrational, 1/n when x = m/n, reduced

the domain of f is all reals except 0.

I need to show that the limit of f(x) as x approaches c equals 0 for all c.

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- October 27th 2009, 07:06 AMSkervenCan't find delta in delta-epsilon proof of strange function
f(x) = 0 when x is irrational, 1/n when x = m/n, reduced

the domain of f is all reals except 0.

I need to show that the limit of f(x) as x approaches c equals 0 for all c.