# Math Help - continuous Functions

1. ## continuous Functions

Give an example of a function f(x) which is continuous for all x but is not differentiable at x=1

Please explain how to calculate this?
Thanks

2. Originally Posted by manalive04
Give an example of a function f(x) which is continuous for all x but is not differentiable at x=1

Please explain how to calculate this?
Thanks
The archetypal example is $y = |x - 1|$.