Sawtooth function: Draw the graph of f(x) = x - [x]. At which points is f discontinuous? Is it left- or right-continuous at those points?

I have no idea where to begin...when I graphed this, it said it was undefined everywhere.

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- September 15th 2011, 02:49 PMriddikulusContinuity of the Sawtooth Function.
Sawtooth function: Draw the graph of f(x) = x - [x]. At which points is f discontinuous? Is it left- or right-continuous at those points?

I have no idea where to begin...when I graphed this, it said it was undefined everywhere. - September 15th 2011, 03:31 PMskeeterRe: Continuity of the Sawtooth Function.
- September 15th 2011, 03:36 PMPlatoRe: Continuity of the Sawtooth Function.