Show that the function f(x)=2 +3 +17 is not 1-1 on the interval [-1,1].

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- April 24th 2010, 08:29 PMtn11631show that the function is not 1-1
Show that the function f(x)=2 +3 +17 is not 1-1 on the interval [-1,1].

- April 24th 2010, 08:34 PMmaddas
It has a minimum at x=0...

- April 24th 2010, 08:50 PMalice8675309
- April 24th 2010, 09:03 PMmaddas
Yes, same idea, that one still has an extremum in the interior of [-1,1] (at x=0).

edit: wait, who asked this question?? - April 24th 2010, 09:04 PMtn11631
- April 24th 2010, 09:10 PMmaddas
...bro, be honest with me. Do you have split personalities or something? Are they all working on different questions?

- April 25th 2010, 03:02 AMtn11631