By "where do they solve it", I mean "where are the solutions?" You've found them. There's really only one step left. What do you suppose that is?

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- June 25th 2010, 08:58 AMAckbeet
By "where do they solve it", I mean "where are the solutions?" You've found them. There's really only one step left. What do you suppose that is?

- June 25th 2010, 09:03 AMmaggiec
- June 25th 2010, 09:05 AMAckbeet
You've found the locations where the line y = x equals the original function. But how do you know that, at those points, y = x

*touches*the original function? - June 25th 2010, 09:58 AMmaggiec
- June 25th 2010, 09:59 AMAckbeet
True... but how do you know that?

- June 25th 2010, 10:01 AMmaggiec
- June 25th 2010, 10:02 AMAckbeet
Hint: evaluate the _____________ at the points of touching, and show that they're all equal to __ .

- June 25th 2010, 10:08 AMmaggiec
- June 25th 2010, 10:09 AMAckbeet
You got it. I would say that once you've shown all that, you're done with this problem.

- June 25th 2010, 10:11 AMmaggiec
Thank you soooo much! You've been such a great help :)

- June 25th 2010, 10:12 AMAckbeet
You're very welcome. Have a good one!