Practice problem
Does there exist a differentiable function f(x)f(x)f(x) such that f(0)=−1f(0) = -1f(0)=−1, f(2)=4f(2) = 4f(2)=4, and f′(x)≤2f'(x) \le 2f′(x)≤2 for all xxx?
Yes.
No.
Type a concept, like “slope” or “photosynthesis”.