واجب منزلي

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‫‪ 20122011 –‬‬

‫‪1‬‬

‫‪ ‬‬

‫‪ 03‬‬

‫اﻟﺘﻤﺮﯾﻦ اﻷول ‪:‬‬ ‫‪ ‬‬ ‫) ‪ (C‬ھﻮ اﻟﺘﻤﺜﯿﻞ اﻟﺒﯿﺎﻧﻲ ﻟﺪاﻟﺔ ‪ f‬ﻓﻲ اﻟﻤﻌﻠﻢ ) ‪ (O, i , j‬ﻛﻤﺎ ھﻮ ﻣﺒﯿﻦ ﻓﻲ اﻟﺸﻜﻞ اﻟﻤﻘﺎﺑﻞ ‪.‬‬ ‫‪ -1‬ﻋﯿﻦ ‪ D‬ﻣﺠﻤﻮﻋﺔ ﺗﻌﺮﯾﻒ اﻟﺪاﻟﺔ ‪. f‬‬ ‫‪ -2‬ﻋﯿﻦ ﺑﯿﺎﻧﯿﺎ ﺻﻮر اﻷﻋﺪاد ‪ 4 ;  3 ;  2 ;  1 ; 0 ; 1 ; 3‬ﺑﺎﻟﺪاﻟﺔ ‪. f‬‬ ‫‪-3‬ﻋﯿﻦ )‪f (2); f (5); f (1‬‬ ‫‪ -4‬ﻋﯿﻦ ﺳﻮاﺑﻖ اﻻﻋﺪاد ‪ 2 ; 3 ; 8‬ﺑﺎﻟﺪاﻟﺔ ‪. f‬‬ ‫‪ -5‬ﻋﯿﻦ ﺑﯿﺎﻧﯿﺎ اﺷﺎرة اﻟﺪاﻟﺔ ‪. f‬‬ ‫‪ -6‬ﻋﯿﻦ ﺑﯿﺎﻧﯿﺎ ﺣﻠﻮل اﻟﻤﻌﺎدﻟﺔ ‪. f ( x)  0 :‬‬ ‫‪ -7‬ﺷﻜﻞ ﺟﺪول ﺗﻐﯿﺮات اﻟﺪاﻟﺔ ‪. f‬‬ ‫‪ -8‬ﻋﯿﻦ اﻟﻘﯿﻤﺔ اﻟﺤﺪﯾﺔ اﻟﺼﻐﺮى ﻟﻠﺪاﻟﺔ ‪. f‬‬ ‫‪ -9‬ﺣﻞ ﺑﯿﺎﻧﯿﺎ اﻟﻤﺘﺮاﺟﺤﺘﯿﻦ ‪ f ( x)  0 :‬و ‪. f ( x)  3‬‬

‫اﻟﺘﻤﺮﯾﻦ اﻟﺜﺎﻧﻲ ‪:‬‬ ‫ﻟﺘﻜﻦ ‪ f‬داﻟﺔ ﻣﻌﺮﻓﺔ ﻋﻠﻰ ﻣﺠﻤﻮﻋﺔ ‪ D   1 ; 5‬وﺑﺠﺪول ﺗﻐﯿﺮاﺗﮭﺎ ﻛﻤﺎ ﯾﻠﻲ ‪:‬‬ ‫‪5‬‬

‫‪2‬‬

‫‪4‬‬

‫‪-1‬‬

‫‪0‬‬

‫‪3‬‬

‫‪x‬‬

‫‪2‬‬ ‫)‪f(x‬‬

‫‪0‬‬ ‫‪-1‬‬

‫‪0‬‬

‫أﻛﻤﻞ اﻟﺠﺪول اﻟﺘﺎﻟﻲ ‪:‬‬ ‫‪f (2)  2‬‬

‫اﻟﺪاﻟﺔ‬

‫ﺻﺤﯿﺢ‬

‫ﺧﺎطﺊ‬

‫ﻻ اﻋﻠﻢ‬

‫‪ f‬ﻣﺘﺰاﯾﺪة ﺗﻤﺎﻣﺎ ﻋﻠﻰ ‪ 1; 2‬‬

‫اﻟﻌﺪد ‪ 0‬ﻟﮫ ﺳﺎﺑﻘﺘﯿﻦ ھﻤﺎ ‪ 0،5‬ﺑﺎﻟﺪاﻟﺔ ‪. f‬‬ ‫اﻟﺪاﻟﺔ ‪f‬‬

‫ﻣﻮﺟﺒﺔ ﻋﻠﻰ اﻟﻤﺠﺎل ‪ 1; 2‬‬

‫اﻟﻤﻌﺎدﻟﺔ ‪ f ( x)  0‬ﺗﻘﺒﻞ ﺣﻠﯿﻦ ھﻤﺎ ‪ x  0 :‬و ‪x  5‬‬

‫اﻟﺪاﻟﺔ ‪ f‬ﺗﻐﯿﺮ اﺷﺎرﺗﮭﺎ ﻋﻠﻰ اﻟﻤﺠﺎل ‪ 2; 4‬‬ ‫اذا ﻛﺎن ‪ x   4;5‬ﻓﺎن ‪f ( x)   0;3‬‬

‫‪ ‬‬

‫ﺑﺎﻟﺗوﻓﯾق‬

‫‪––‬‬

‫‪ 20122011‬‬

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