Funções quadráticas 2

[size=150]Qualquer função f, de domínio IR, definida por uma expressão do tipo:[br][img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQkAAABYCAIAAABpr5XVAAAKn0lEQVR4Ae1da7qrIAzsurog19PVuBkX0/uBIBlEDBCQnpvz5/iAMJnJiK2Pvr76pwwoAykGXqmNuk0ZUAa+6g0tAmUgzYB6I82LblUG1BtaA8pAmgH1RpoX3aoMqDe0BpSBNAPqjTQvulUZUG9oDSgDaQbUG2ledKsyoN7QGlAG0gyoN9K86FZlQL2hNaAMpBlQb6R50a3KgHpDa+CPMrCtn+X9fvm/93tZt60kV/VGCVva9lcYWJfgCu8O898YhJuDeoPLlLb7GQa2T9oYziTLystEvcHjSVv9DAPOGfQUattwHuG5Q73xM5orUBYD1hqp4qezSWr/Kbp640SJbvhlBrbP+/25+EgR3HHZhKau3qBs6PLPM7AumTnhMId64+eF1gSEGViX/fN4xj9hRJ03Ahe69NcZ8PMGyxoPvUthi6/LLB/+185pAU3E5epEM92lfutmxmpFXD+89qxkwE0bPGuM94b7Ni18w+a9bC7L1KW8hyy5qlM3Du1lUb/VIJST6Zd3a7A+a5hchp5TbZ/9aiWg86eA5qJl+XF/DznWF74Gdlc/M7bHoP/ZDDi5+DU2zhvH/IDTA7FGqTf8FMTPls0jt6FLSv3BJey5drbQio6+g7xxGOOFzvh+v37Xu+zTgq/KB42x63zgfxzJc3U3/8jWGafay+Me4o0wNxSiu8Lu61Eo3NUw3O0+v6KjEje4tmtnwAhULs4Ab/jKeb3Ok0ZN2t4YMtFqEJz7zIjpjPL/3GK1qTmKdvfGUTU1zk2IecSryTYRT2rTgav8+CQFQeOcGXDGuLiJ5NyebunsjaNi6r6Fokjt8jEHTViBB7aZJrQTg//VhrpzKU9RX2+EchGZNUK4ySaNnU1yIJgSn9f8P/mfN8b6uX3Kqac3SK1IfNQIzphw0tjrLUDUueNZB5rnNa4uJu9Pc9wXUUdvkEIRsAYx2n1Wj+lCcp4Y5WP0jBl4IyrQ52FhmSFPN2+QWpb4goqky8hqjAapUQhOnTpSBPXehnUHdqArnCLq443Yua2n35Bwa7C+6lBzcAToi+Z/i07Zp1aIl1nKSHtjix/NNahaqxkybg32/dq7gM2dXTcMhYeMC67Zg42bM/+p2nZ3Vx/vMbBvvaEZmOIwt0u/30liuupCcTCXZbyBBRGbFNYrShuscVPPl2lbVcjrinZQl9HOGXGBY09ur0vcP7HDPnJgGLV3JvuLCdv6eRt/2BSQlsD7MF3KiZTxBlQvWCFeKa8VJDV5wLlLOwoBmFKA8KUUrnmQ82Y4JCMV/ybAb+32N1e/3sknWtbFugMlcFziRpAlqXObLsW0yngjGhZyZtdUFMStQqzb06B0DLL1fMoXF29SgJJLlxHiOD4B8/OLR6p+dkhktC6vZcUPoImSGKBLAlt+Uw9vHIzZI0FjbeBROHk4yWeY2IsAQal9OHcItILZ0+eCDxzfbw/IiSwe3kQ/jWUfSluX1xtPZq9KorMupYT18AbUxhUPTKAQq33a8KOCCsEcdrSw6lsX/o8wV/kZAOLZRuNaoyCOi5DjbbzQ1CHP9IC0gxAyuhTK2OO5P+Ai5FeKzLYHrgS+8TpAQGAH0gLPCHd0vlmA2CVnYyRuHKPREKS7QIJEYUY00trCyHaBvIV1IfSyFuXnDaCi0Rrx6UnVITjNA4hg5DK4W+G6oYCCOkcDPFLZ7YvZ0kxzBVspMlasiI2bPjS8lVtQF8jjfkXcG5Bbay1jMLHatbSAZMsi54zTBw4py92r2b8FVeSmyj0YIPqeC2guq4tHxPwv7Q3KnfBFv8qzk0siQIS6o/tFbCRBNPTFiIM208SYzjieed5nPMbM3E+XQpakvQGJMYjIw4Vo0t6gQrfbmCaCkf+MN2habGlpJ97Ejz24FqT8Cy0LewOKmc3fVS7IkrQ38IgmqUFn3Fd0dd5OteWzRXsxj0BAH38k8fRlvVFBRC4jIMnMyc1uw9EArqAIvXFjFmPWICc+V0Ax9+MndOKPJU2EqDeAPy4RmYwwnrw34GswQd91x53hrNMuWq58piIi2GVeN5p06pLeQCb4DF7mhAHlvUElkJyUeuO+JKzXDkiILyx0KyC4ly6F9Eh6A1LiM5hBDBGlvREHF5joXCpRTTBPszM8PLwL8+Ee/bEX3xr9dCmkUdAbmBOXwSxeDMmnNxt032mVW1Y6goidTfS4KipcdwrRftHPRagQhpLEzgU68Y9rPXVhlAVtIucNVLNCAQrLLWNMwS9DbWDjBRhByhwQlF8WlIA4hJg12LUd0ECVMzmCPhY8qyL66hJSYi2JeQPFZBHBABhTLBP3UCA+xsuEh4/4pi4qwiKdcs6oAINQWN6IZWNy0FsXRsHRJlLeqCCQwrhaxrBCJ1VGuSAx6FhRxQnoEJKOlWg7/ybU4J6hvf3ygR/5vu8W39EGJHK6izMp5Q3IJBReM16IK1FmVjkKEKSnO3bs6yf5OFsuMYjIPGTm4j28D9M5MwTw9sbmtWig3H1t2440OAxLd+zjVegCQBkrQt4AIs6JMIBcNYHIFWcEGPekwM1ZlRn9XlccA6uion8U7ulVKNJsOvsjk7v8oNtREesn/UsMQ3QpJVLGG0DfQUQplnR7IJmcC6Vbh63u2Vb6szE21BkejECcYLMi6yF2dgnIyNZSNsw8O4Gfi3nQvDdh/2i1v0kB+njKDTNv9wzgeF2KCRXxBlSDJ6IYylUHoJl7FIdOZop34iVLHRrv+N1vCKaPcldI9+0QrcDM+ahP7sWMzBdvy2dzbxPZX7xjvywgD41DRTjNzDZ7z/nxzcJYXYoZFPEG5U7cGtHjEMz4FNKhxVVfVNI3v2p9wzEGS3rxJsJ8uzEnTxD9T6eBbySZeZeCOdYYQp/TpZxVCW/QfCsLKg+cDsA8EJ/VzCE7tY6kzsPDvQD2b1jDJHii6HBGiqtTa/8yitOOrJ6n1qmxkH7BNQFv0GLIFWADauCIW2/hxUkMRu17xqzcjT+MPICNBiKbuuKPwpvXsmW+wjteZWTfbuhf52bGf0aXiszbvUHrllu25UBpyfUbpRxX3GMMG/Gout6DgWZvjCqGUeO0kUxQdppC2/Bp7wIGmr0RDui9iyGMxP2yqoAHmabEGjNPbjLJ/vkord4IBTugGMJgvX1Yp3vAN4CMOojai89AozeOahhUrMd4E04dYdJQZ/ALcOKWbd44SnVcNRwVOMiNbO08F7PhYiegDSMGmrzhy2GcMyx6P+xMVTgjpkhqXS1koMEb/gg+2BkmweOV9Q+MnSLYOWMms6Zg6rYiBu684S/U+OuaIbirh6eq09vj+Xp0x4jngQRtdEmCgbw3/NRgLxiDC3Zn3P58uQTE6xj+VtuaOwKvoxbt2RliXHgviqqNZ2Ag7w1/Fm28QaxhC2KOenC/kPLIQdvdq7s8aM0ZSujPYsh74xvuitkLwP301By+8KK4X2Ic6g/vi5XeKeQB6f8/wcCNN/bPvcev4r7y95c9yYgxyLAj+GbGUls8qfeAse+9MQCEDqEMTMiAemNCURTSFAyoN6aQQUFMyIB6Y0JRFNIUDKg3ppBBQUzIgHpjQlEU0hQMqDemkEFBTMiAemNCURTSFAyoN6aQQUFMyIB6Y0JRFNIUDKg3ppBBQUzIwD83bjTEf68CigAAAABJRU5ErkJggg==[/img][br]em que a é um número real e a[math]\ne[/math]0 designa-se por [b]função quadrática[/b] (Ou polinomial do 2.⁰ grau). [/size]

Information: Funções quadráticas 2