This is not piecewise, not piecewise continuous, this is not piecewise continuous, the f ′ is not piecewise continuous.
ಇದು ತುಣುಕಲ್ಲ, ತುಂಡಾಗಿ ನಿರಂತರವಲ್ಲ, ಇದು ತುಣುಕಿನ ನಿರಂತರವಲ್ಲ, f ′ ತುಣುಕಿನ ನಿರಂತರವಲ್ಲ.