Consider the following. (If an answer does not exist, enter DNE.) [ f(x)=x⁶ e⁻x ]
(a) Find the interval(s) on which ( f ) is increasing. (Enter your answer using interval notation.)
(b)Find the interval(s) on which f is decreasing(Enter your answer using interval notation.)
(c) Find the local minimum and maximum value of f
local minimum value
local maximum value