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October 24, 2014

October 24, 2014

Posted by **Tammie** on Thursday, July 23, 2009 at 8:23pm.

must contain a zero of f.

A. Between 0 and 1

B. Between 1 and 2

C. Between 2 and 3

D. Between 3 and 4

I am leaning towards Choice A. What does everyone think? I would appreciate some feed back! Thanks!

- Algebra -
**drwls**, Thursday, July 23, 2009 at 8:37pmCalculate f(x) at 0,1,2,3 and 4 and see where it changes sign. That will be the answer. There must be a zero of f(x) in that interval, since it is an intermediate value.

By the way, your choice is wrong. f(x) is negative in interval A.

- Algebra -
**Tammie**, Thursday, July 23, 2009 at 8:53pmOk I am trying to figure this out. If A is wrong then my next choice was

C. Between 2 and 3 Is this correct?

- Algebra -
**MathMate**, Friday, July 24, 2009 at 12:33amAssuming C is correct, could you explain based on what you made this choice?

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