If $f(x)\left\{\begin{matrix}-x^2,&x≤0\\2,&x>0\end{matrix}\right.$, then
Answer & explanation
Correct answer: option 3
f(x) is not continuous at x = 0, so not differentiable at x = 0.
If $f(x)\left\{\begin{matrix}-x^2,&x≤0\\2,&x>0\end{matrix}\right.$, then
Correct answer: option 3
f(x) is not continuous at x = 0, so not differentiable at x = 0.