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y = ax^2 + bx + c

which tangential at origo with the line y=x, It tangentials also with the line y=2x + 3. Determine the function! Draw a figure!

My main question is this solvable? I am doubtful?

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 This question is not suitable for this site, which is devoted to research-level questions only. You can find a list of more suitable sites for your question if only you would read the FAQ. – Thierry Zell May 21 2011 at 14:59
math.stackexchange.com would probably be a better place to ask this. – algori May 21 2011 at 15:01

closed as off topic by algori, Qiaochu Yuan, Deane Yang, Harald Hanche-Olsen, George Lowther May 21 2011 at 15:07

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