when and
when
At the funciton described above is:
undefined
both continuous and diffentiable
differentiable but not continuous
continuous but not differentiable
neither differentiable or continuous
Describe the function
on the interval .
Non-continuous; Non-differentiable
Continuous; Non-differentiable
Continuous; Differentiable
Non-continuous; Differentiable
when 
and
when 
the funciton described above is:
.