The Extreme Value Theorem says that only continuous functions have global maxima and
Chapter 4, Problem 60(choose chapter or problem)
The Extreme Value Theorem says that only continuous functions have global maxima and minima on every closed, bounded interval.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer