Calculus 10th Edition

Largest open interval over which the function is increasing: $(4, 5)$ or $(6, 7).$ Largest open interval over which the function is decreasing: $(-3, 1)$.
Largest open interval over which the function is increasing: $(4, 5)$ or $(6, 7).$ Largest open interval over which the function is decreasing: $(-3, 1)$.