중간고사에 나온 시험 문제들

1. Prove x^-4 -> 0 as x->2 by epsilon delta definition.
2. Prove function f(x) is continous at x=a if f(x) is differentiable at x=a.
3. Prove Squeeze Theorem by epsilon delta definition.
4. Prove Mean Value Theorem by Rolle's Theorem.