Can there be a global minimum if at two points of the domain it equal to the lowest value?
For example: (1,-5) and (8,-5) Can there be a global minimum if at two points of the domain it equal to the lowest value?
For example: (1,-5) and (8,-5) @Mathematics

Question

turingtest · Answer

No, then they are both local mins and there is no global min. 
i.e.$$ y=\sin x$$ would have infinitely many global max/mins if this were possible.

anonymous · Answer

ok thanks

anonymous · Answer

I was getting so confused and my book wasn't explaining

anonymous · Answer

it properlly

turingtest · Answer

Yes, global is like the highlander, "there can be only one" hehehe...

anonymous · Answer

Thanks for ur help that will be easy to remember!!!