- #1

quantchem

- 5

- 0

## Homework Statement

Show that |f(x) - f(y)| < |x - y| if f(x) = sqrt(4+x^2) if x is not equal to x

_{o}. What does this prove about f?

## Homework Equations

## The Attempt at a Solution

Already proved the first part. I am guessing that for the second part the answer is that f is continuous but I am not really sure how to show it. Please help.