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Re: [obm-l] ajuda7

To: <obm-l@xxxxxxxxxxxxxx>
Subject: Re: [obm-l] ajuda7
From: "Henrique Branco" <hpsbranco@xxxxxxxxxxxxxx>
Date: Thu, 27 Mar 2003 01:59:35 -0300
References: <BAA7B335.21B%claudio.buffara@terra.com.br> <005e01c2f3fb$1af2b610$c300000a@wsjujuba>
Reply-To: obm-l@xxxxxxxxxxxxxx
Sender: owner-obm-l@xxxxxxxxxxxxxxxxxxxxx

> Dada as fun��es f(x) = -x^2 - 25 e f(x) = x^2 + 4x + 25, encontre suas
> ra�zes (se existirem) e realize o estudo do sinal.

Nenhuma das fun��es t�m raiz real, pois o discriminante (delta = b^2 - 4ac <
0).

Abra�os,
Henrique.

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References:
- Re: [obm-l] Re: [obm-l] demonstra��o de fun��o bijetora (corrigindo)
  - From: Claudio Buffara
- [obm-l] ajuda7
  - From: Helter Skelter

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