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- Nov 15th 2006, 05:58 PMMr_GreenMath question
- Nov 15th 2006, 06:33 PMQuick
are you the same mr. green that posted this?

Because you certainly have asked a lot of questions - Nov 15th 2006, 06:36 PMMr_Green
- Nov 15th 2006, 07:08 PMMr_Green
a and b will be decimals rite?

- Nov 16th 2006, 04:39 AMtopsquark
You want an interval such that .

So you want

So

and

For the first inequality solve:

So by the quadratic formula. We want the "+" solution as the "-" solution is less than 0. So we want to solve the inequality.

For the second inequality solve:

So by the quadratic formula. We again want the "+" solution since the "-" solution is less than 0. So we want .

Putting the two together gives an interval for x:

-Dan