\n| B<\/td>\n | 6,50 \u20ac por sess\u00e3o.<\/td>\n | \\(y = 6,5x\\)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Apesar de o problema ter por dom\u00ednio um subconjunto do conjunto \\({\\mathbb{N}_0}\\), vamos considerar que as equa\u00e7\u00f5es acima correspondem a duas fun\u00e7\u00f5es auxiliares com dom\u00ednio \\(\\mathbb{R}\\), correspondendo os seus gr\u00e1ficos a duas retas obl\u00edquas aos eixos coordenados, que passamos a representar no referencial cartesiano seguinte.<\/p>\n \\[\\begin{array}{*{20}{c}}{\\begin{array}{*{20}{c}}x&{y = 3x + 28}&{{\\rm{Ponto}}}\\\\\\hline0&{28}&{Q\\left( {0,28} \\right)}\\\\4&{40}&{R\\left( {4,40} \\right)}\\end{array}}&{}&{}&{\\begin{array}{*{20}{c}}x&{y = 6,5x}&{{\\rm{Ponto}}}\\\\\\hline0&0&{O\\left( {0,0} \\right)}\\\\{10}&{65}&{P\\left( {10,65} \\right)}\\end{array}}\\end{array}\\]<\/p>\n |
![\"\"](\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2023\/05\/8_Pag196-T8.png\")
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