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## Homework Statement

## Homework Equations

Continuity @ v

_{0}

## The Attempt at a Solution

Using the epsilon delta definition of continuity:

If we choose epsilon such that epsilon < a, then |f(v) - f(v0)| < a.

So f(v) is in the interval (f(v0) - a, f(v0) + a).

Only half of this interval is what I want though.

I may be doing the whole thing wrong… I would really appreciate any help

edit: Actually, I'm pretty sure my reasoning is completely wrong, so I'll think about it some more...

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