Equation d’une droite
Niveau de cet exercice : 
Énoncé
u003cpu003eSoit les deux fonctions u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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 data-mlang=u0022latexu0022 data-equation=u0022f(x)%3D%5Csqrt%7Bx%7Du0022 /u003e et u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022g(x)%3Dx%5E3u0022 /u003eu003c/pu003enu003cpu003e1- Calculer u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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 data-mlang=u0022latexu0022 data-equation=u0022f(1)%2C%20g(1)%2C%20f(4)%20%5Ctext%7B%20et%20%7D%20g(4)u0022 /u003e.u003c/pu003enu003cpu003e2- Résoudre dans u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022%5B0%3B%2B%5Cinfty%5Bu0022 /u003e l’inéquation u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022f(x)%5Cleq%20g(x)u0022 /u003e.u003c/pu003enu003cpu003e3- Déduire le tableau de signe de u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022x%5E3-%5Csqrt%7Bx%7Du0022 /u003e sur u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022%5B0%3B%2B%5Cinfty%5Bu0022 /u003e .u003c/pu003e
Correction
u003cpu003e1- u003c/pu003enu003cpu003eu003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022f(1)%3D%5Csqrt%7B1%7D%20%3D1u0022 /u003e u003c/pu003enu003cpu003eu003cimg class=u0022fm-editor-equationu0022 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data-mlang=u0022latexu0022 data-equation=u0022g(1)%3D1%5E3%3D1u0022 /u003eu003c/pu003enu003cpu003eu003cimg class=u0022fm-editor-equationu0022 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data-mlang=u0022latexu0022 data-equation=u0022f(4)%3D%5Csqrt%7B4%7D%20%3D2u0022 /u003eu003c/pu003enu003cpu003eu003cimg class=u0022fm-editor-equationu0022 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data-mlang=u0022latexu0022 data-equation=u0022g(4)%3D4%5E3%3D64u0022 /u003eu003c/pu003enu003cpu003e2- u003c/pu003enu003cpu003eL’ensemble de solutions de l’inéquation u003cimg class=u0022fm-editor-equationu0022 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data-mlang=u0022latexu0022 data-equation=u0022f(x)%5Cleq%20g(x)u0022 /u003e est u003cimg class=u0022fm-editor-equationu0022 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data-mlang=u0022latexu0022 data-equation=u0022x%5E3-%5Csqrt%7Bx%7D%20%5Cgeq%200u0022 /u003eu003c/pu003enu003cpu003eSur u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022%5B0%3B1%5Du0022 /u003e on a u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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 data-mlang=u0022latexu0022 data-equation=u0022f(x)%5Cgeq%20g(x)u0022 /u003e c’est à dire u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022%5Csqrt%7Bx%7D%20%5Cgeq%20x%5E3u0022 /u003eu003c/pu003enu003cpu003ealors u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022x%5E3-%5Csqrt%7Bx%7D%20%5Cleq%200u0022 /u003eu003c/pu003enu003cpu003edonc u003c/pu003enu003cpu003eu003cimg class=u0022alignnone size-full wp-image-9960u0022 src=u0022https://kiffelesmaths.com/wp-content/uploads/2020/06/tableau-de-signe-cube-moins-carree.pngu0022 alt=u0022u0022 width=u0022631u0022 height=u0022118u0022 /u003eu003c/pu003e
Niveau de cet exercice :
Énoncé
u003cpu003eSoit u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAALCAYAAACprHcmAAAA4UlEQVQoU23RPUrDQRAF8F+MpUKqFDYW4gX0ABLbxF6wETxALLRQItpZiGkUUouVTSCgCIJWAQslXU7gDbT0kwnzhyS4sAyz++bNezMlk2cGJfzgF+WMkY8+iriPJhZwg1NcYBFXOA5w3G3soIE5vGGIXayhFV0CGK1fUMM7ZvGJy+z0iH7BHDKiYKQri56wgdtxS4Xm8bcjHGAe39PgYF1PCQPcJaiek1jGCbaCeRWv6OIMzzjHXprv4R6dAC/lqNo4xHXGzWR8CHPhqdAcw/9CBR+oYgUBDOMTS5la5P/pHx5oLhF62wkbAAAAAElFTkSuQmCCu0022 data-mlang=u0022latexu0022 data-equation=u0022xu0022 /u003e un réel, tel que u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022-2%5Cleq%20x%5Cleq%200u0022 /u003e, encadrer u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAE8AAAAbCAYAAAA9K9JnAAAEgElEQVRoQ+2Ya8gVVRSGHzNMyix/hGFFUoZaEUFEhompRVJWElhIYGWR/agEFUOy0hIyRUMiNVK6axeN6CaZN6TQIqTIQtQKKYW0vCSBUGY8sgam4Zw5Z+aM34+vs+HjfOfM3mvv/ey13rX2dKHdShPoUnpkeyBVwrsY+P7/xLQqeCcBR4EjbXjFCdwBPAncWnxowxEe8FXAl8A/DXt3YIcqPE+v+xy4Hfi54rWPBB4GdgIjgJXA4xXPUdpcFfDGA1OAS4BjpVdSe+AC4AAwA5gALAZODomoeKri5lqFp9etA6ZGWBVfQf6I+UA/4BY4ntwMW+XhiaonKmOvVXi3AdOBKzJedxpwEbAf+KUirRLiDuBGYFWZzbY4pmvW41uB59j3gJfiM1nbA8AiYENA9XMesLHFsH47SiFDuKOawAYAQ4D7Qj4+TCZvBd71Ae68FJTeMcnaCOMLgOcAhd/+a0ru2lB1A8NjfFFtFcIY4K0CB5jIxCbA/RhhNwMtw9PwG2FoWQrIncDr4WnqoBr1CDA7MvK1wN8FAc4EhgLDQgqUiOUFbQhPbXb+IuDVdPfqOA++EnhXx2mobenF3AssARYCD8azc0L3DgO9Mrrh4mxJ/eYmtZd8t3705mLzd/9XEtaXgPcFcGVBeMk0lkmVwPMkVoQxN5JuPWOB3wJ748Fg4DPgA2B0gNHGq8AZkU1nBVRruO0RYnqoeplthm7RYtnyxqtj/xMJz00p+B8Du+qcruEzOW4TXskatadCL+4HXowweCzqNRNJUvx+BdwE/AoI0z5VNT3arN/nRMEzhMyc40Kn5tRYuXC3AAJ5t4mdjQqPM1OODY9xI95Ezo3vSUjcFR79Z1Zbmpgn3aVWEnTOQ8DpdeA10sHcsL0UeB+4JzLS14Abz4r75cBc4IYmQsfDeBP4CXg0Y0stM/PZTCzPAGcBvwGOczONNlSP6SuAWb4boIz4pzyoz5ZL2fZa6HTeGSXwdAD3dLylT+kyQK16FpgIXBdJIW1U7Xq+iWwnAMsLSxdlQI0y3M146WY/IfaI4rcssLRN9S1rR887GCCzz9IJqh7ABN5/mNRy8UGAtY0hbGGYiPP5gKekYOeVG9p8J/rqzS5OSIq/KV97HtR38fuPkZ2fjpV7eC8A2wqGa1534e0Bzi7p0U3Dc/MfhZBbU22NVX0SHvdyziqFZFifGdlYcH8AfQFDVe8ToEWnumkGtGbzjYzA3eTqkIWi9WAjeGZxr3hlvLtpeC4iqdcsbqeFu38KWN/llQlqQrpoTm9Ij5oUh2K1vjl09ffQHL3dxCJ8P4uWI43gmejU7Gbh6UReBZObhi8jfghn+sZn9a5nepBhdWpMuBTQ8wynvOZtQJsusJZt6zh/V1Ptew2wO96aXBi/Ca1KcK5XjzZZOF9ReI47BegeSUh7A/Pg2UHvMLR8GXk3oBb+VZEOJYArMtfQjElEqSh6Pcs1nPdiwNPaF29xvQ55R223FIE8eD4ztB4KnVIz2q1JeHbT3RXKKq9KneYAWnmf12kglN3IvxYFAUyhN7M1AAAAAElFTkSuQmCCu0022 data-mlang=u0022latexu0022 data-equation=u0022%5Csqrt%7B%202x%5E2%2B1%7Du0022 /u003e.u003c/pu003e
Correction
u003cpu003eLa fonction u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022x%5Cmapsto%20x%5E2u0022 /u003e est décroissante sur u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022%5D-2%3B0%5Du0022 /u003e et u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022-2%5Cleq%20x%5Cleq%200u0022 /u003e donc u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022(0)%5E2%5Cleq%20x%5E2%5Cleq%20(-2)%5E2u0022 /u003e alors u003cimg class=u0022fm-editor-equationu0022 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src=u0022data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIEAAAAVCAYAAABhV40FAAAFzUlEQVRoQ+2aZ6xlUxTHf8MEiRLdByQYMnq0CNFbiBJGN3onfNCJ3iMMQnSjjhJ1REn0mug+6CHaByJMiAyil/xkbTlzcs+1z75HXt7N28nJffe93dZa/7XWf63zxjH8Y7YQ8S/AZ2zUNDBuyDVyGHAiIBDuAx4Gnh5ymVuLN8wg0PDvA8sDcwPXA+8C541FhFlxMswgWAl4BzgYmApMAi4BlhkDwegAwXjgzw5y+ZrAG7HPmcAWwPojBAIdbqQ5SU9+VI0ETlgcOATYANikw0t7jh44J/Ben6TlHVYGrgXWAT4EHoq8/kfrZDfrgteB6+IZcKvs5co9O7AN8AAguAeVo3q4+jojnn6X8g6nAsdHajQtTgbeclECwdkRLp28AvBcRyDwknrgXsDSwCoRopsuvAdwIHAM8CVwAHAB8BkwoRIdsq0QMj4C3AHcXgjsicASwFMtDlb214A1gGeBjTsCgTZbCrgCWDc4zsV97qVNBcr2wLah132A/QOcMxMI/PTSPr92AAIRfzhwKPAjsHsYsl849GwjwHyRx2eGAfVgFWlO15vaDs+0SnBvwS4oU6rJ3Ws7YK0Mj6vvpwE8XyOcPiAI1M+WwL7AjuEcObK45tGIBJLi5Pw/AacBU+rE0IMMV6WRwPUaXjKm8S4PRp6TC1XYDSGkgt4aFxbxR0RKuLCmZc9LBk2yVM96HngVWAhYOJ71CkAgiI2QGrNknDUACJTL1HwkYESaAtySKYNrjaxWRlWdqusPIlVN6AoEC0TIN8TowSrrhcyLVpU6P7AZcH8lbJ8TKN4vhHe+xterTwEujdC4d3i5FYC5b8P4XjdaCdcZCRAoo9xM4+0G6ADqom0UU096vNHMPolDENgvUUfj+4Fg08wDDdGrh9HN5V+XuErDGtPKE8DawEYRXVTOzcCnYWTJ3qpRBXwM7Br5TgLaqwTOiUr163QFgjmA3zL0o+41nNHnBGBaIZfxqM1Dh0aSK+NsSbq6cvQFQa7HmJ8kft8AxwLfD3Dhun4MZdb4CvJMgNJIId/YOSaLdKNEIkuiW8B4n5LRCzh6ogYxB9dHDqjapgMrJHVpVWG19mCmQ/aSV6+X0Gp09enQWSWTv1gtdJUOEhc4DvgWkOV/MsDFvajed2cNAP5eQzwOvBhE603g7TgzydM2ZCblLQncFqXsPMC8UVL5+XIDoqxgklc1gS6F5DYlorJsBRwEbB2cQC7wewGydwiu9mQ4qE5lF9WWwMSuQJDuJRhEmETuZ+Bo4MaCyKCyvoqS5iXA8Oio9/1t/Mg9jgIuK1BOk+fUf+/5El4jQn3k1P0lIEjnaCPTrY61YqSGu1s6mHZZDpAUW635HsWy+yN12zUIqmBQcYaxV4CLokzJ8VDzu8TSNcn7TgrCeVUw/NUixBkynadwRgblEYSGuy5HPQW13XsQEFR1umw0u+aK6umaDDAIAFOKjbfkREaAz4N0Tvu/QFBFcepC2my5OhooTUq0meRbP0u7LyJcuc49JKA2fe4KPmAL2KaHVcGiwIz4vd8Nfzm5OteYMmsJp3uXjC5AUD1Xw6oLHUZiLOdoGkZVyagNKx1Tvegk9k50nhkJBCJdMuUEmxq2FafHrnpljgf3U47n2DLWmP3yp4a2s9VrmMdE8j2AHqChFwnj7BQ19PmRx38osVSfNYJAkqbicoeG0jjq1FLPjuG58T01kHL3apqX0zYWBPZr7g3nklDfFDxDsv1vCSVCFgyiVX3R4c963qAgyBHWswRjkwcLAP+mUM7dM0icEcE3ht9F6VhCnP7rfoJAI5p+cocG2qWi46RXPyXPj+Vu1ME8S0Kd256D3UNLbO36z+hVDrU9M72ZylnX1X/3VIGac+6gc0rbxqXnttGpZ+Q4aa+OaicgWAyQqdoESY+eWv1e/dkSsisWX6rg0bBODnFyvMfxXY71vJ/pMdqln/2bILU/UzRGayQoEnYULdIuubZxXk6Z2ij+35vxWzcUPJ/0AAAAAElFTkSuQmCCu0022 data-mlang=u0022latexu0022 data-equation=u00221%5Cleq%202x%5E2%2B1%5Cleq%209u0022 /u003eu003c/pu003enu003cpu003eOr la fonction u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022x%5Cmapsto%20%5Csqrt%7Bx%7Du0022 /u003e est une fonction croissante u003cimg class=u0022fm-editor-equationu0022 src=u0022data:image/png;base64,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u0022 data-mlang=u0022latexu0022 data-equation=u0022%5B1%3B9%5Du0022 /u003eu003c/pu003enu003cpu003edonc u003cimg class=u0022fm-editor-equationu0022 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