Use epsilon-delta proof to show that

So far, I have:

Let

We know that:

and

Choosing :

From here, I'm having trouble remembering what to do.

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- Mar 25th 2009, 08:04 AMArythEpsilon-Delta Limit Definition
Use epsilon-delta proof to show that

So far, I have:

Let

We know that:

and

Choosing :

From here, I'm having trouble remembering what to do. - Mar 25th 2009, 11:12 AMo_O
Arbitrarily assume which implies .

But this implies:

So we know:

Now we can see what we should let be. - Mar 25th 2009, 12:55 PMAryth
I forgot that it was reasonable to insist that x would be within 1 of 4, thanks for the help.

- Mar 25th 2009, 02:20 PMHallsofIvy
Notice that you must say that is the

**smaller**of and 1.