Consider f(u) = - 10(u - 9)² + 10(u - 9)^4+ 13 on [8, 10].

Last updated: 7/5/2022

Consider f(u) = - 10(u - 9)² + 10(u - 9)^4+ 13 on [8, 10]. Determine the interval over which f is continuous and the interval over which f is differentiable. f is continuous on_________ f is differentiable on___________