Question
Mathematics Question on Functions
At x = 1, the function f(x) = \left\\{ \begin{aligned} & x^3-1\ \ \ \ \ \ 1<x<\infin \\\ & x-1\ \ \ \ \ -\infin<x≤1 \\\ \end{aligned} \right. is
A
continuous and differentiable
B
continuous and non-differentiable
C
discontinuous and differentiable
D
discontinuous and non-differentiable
Answer
continuous and non-differentiable
Explanation
Solution
The correct answer is () :