(a) limI-+0 1- COST (b) lim,-+o+ 2(In x)2 4. Let the given graph be the derivative graph of f(x). 4 Indicate the following for f(x): critical point(s), local extrema, the point(s) of inflection, and interval(s) of both increasing AND concave down. 5. Let f(x) = xe-2x (a) Find local extrema, and point(s) of inflection