# Math Help - multiplicatively periodic

1. ## multiplicatively periodic

why would a function that is multiplicatively periodic and that is continuous at 0 have to be constant? been thinking about this for a few hours now and I can't seem to get it

2. ## Re: multiplicatively periodic

Originally Posted by upa
why would a function that is multiplicatively periodic and that is continuous at 0 have to be constant? been thinking about this for a few hours now and I can't seem to get it

Post the definition of multiplicatively periodic used in your textbook/material.

3. ## Re: multiplicatively periodic

f(cx)=f(x) for an positive c not equal to 1