3. (10 pts) Does there exist a differentiable function f : R → R such that f(0) = 0 and f (f(x)) = x6+ x3-x for all t 
? Give reasons for your answer.
阿摩線上測驗
登入
阿摩線上測驗
登入
3. (10 pts) Does there exist a differentiable function f : R → R such that f(0) = 0 and f (f(x)) = x6+ x3-x for all t ? Give reasons for your answer.