Question:
If \(f(x)=\{[x],x\in R\}\) is the greatest integer function, then the correct statement is:
- A. f is continuous but not differentiable at \(x=2\).
- B. f is neither continuous nor differentiable at \(x=2\).
- C. f is continuous as well as differentiable at \(x=2\).
- D. f is not continuous but differentiable at \(x=2\).