

MCQOPTIONS
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1. |
Let \[f(x)=\left\{ \begin{matrix} 0, & x |
A. | f is continuous but not differentiable |
B. | fis differentiable but not continuous |
C. | \[{f}'\] is continuous but not differentiable |
D. | \[{f}'\] is continuous and differentiable |
Answer» D. \[{f}'\] is continuous and differentiable | |