حلول الأسئلة

السؤال

أوجد left square bracket f ring operator g right square bracket left parenthesis x right parenthesis comma left square bracket g ring operator f right square bracket left parenthesis x right parenthesis لكل مما يأتي:

الحل

table attributes columnalign right columnspacing 1em end attributes row cell f left parenthesis x right parenthesis equals 2 x plus 1 comma space of 1em g left parenthesis x right parenthesis equals 4 x minus 5 end cell row cell table attributes columnalign left columnspacing 1em end attributes row cell left square bracket f ring operator g right square bracket left parenthesis x right parenthesis equals 8 x minus 9 end cell row cell left square bracket g ring operator f right square bracket left parenthesis x right parenthesis equals 8 x minus 1 end cell end table end cell end table

شاهد حلول جميع الاسئلة

حل مراجعة درس العمليات على الدوال

دليل الدراسة والمراجعة

العمليات على الدوال

أوجد left square bracket f ring operator g right square bracket left parenthesis x right parenthesis comma left square bracket g ring operator f right square bracket left parenthesis x right parenthesis لكل مما يأتي:

9)

table attributes columnalign right columnspacing 1em end attributes row cell f left parenthesis x right parenthesis equals 2 x plus 1 comma space of 1em g left parenthesis x right parenthesis equals 4 x minus 5 end cell row cell table attributes columnalign left columnspacing 1em end attributes row cell left square bracket f ring operator g right square bracket left parenthesis x right parenthesis equals 8 x minus 9 end cell row cell left square bracket g ring operator f right square bracket left parenthesis x right parenthesis equals 8 x minus 1 end cell end table end cell end table

10)

table attributes columnspacing 1em end attributes row cell f left parenthesis x right parenthesis equals x squared plus 1 comma g left parenthesis x right parenthesis equals x minus 7 end cell row cell left square bracket f ring operator g right square bracket left parenthesis x right parenthesis equals x squared minus 14 x plus 50 end cell row cell left square bracket g ring operator f right square bracket left parenthesis x right parenthesis equals x squared minus 6 end cell end table

11)

table attributes columnspacing 1em end attributes row cell straight f left parenthesis straight x right parenthesis equals straight x cubed comma straight g left parenthesis straight x right parenthesis equals straight x minus 1 end cell row cell left square bracket straight f ring operator straight g right square bracket left parenthesis straight x right parenthesis equals straight x cubed minus 3 straight x squared plus 3 straight x minus 1 end cell row cell left square bracket straight g ring operator straight f right square bracket left parenthesis straight x right parenthesis equals straight x cubed minus 1 end cell end table

12)

table attributes columnalign right columnspacing 1em end attributes row cell f left parenthesis x right parenthesis equals 4 x comma space of 1em g left parenthesis x right parenthesis equals 5 x minus 1 end cell row cell table attributes columnalign left columnspacing 1em end attributes row cell left square bracket f ring operator g right square bracket left parenthesis x right parenthesis equals 20 x minus 4 end cell row cell left square bracket g ring operator f right square bracket left parenthesis x right parenthesis equals 20 x minus 1 end cell end table end cell end table

13) قياسات: تستعمل الصيغة 3y = f لتحويل الياردات y إلى أقدام f، كذلك تستعمل الصيغة f equals n over 12 لتحويل البوصات n إلى أقدام f، اكتب الصيغة التي تحول الياردات إلى بوصات.

n equals 36 y

مشاركة الدرس

السؤال

أوجد left square bracket f ring operator g right square bracket left parenthesis x right parenthesis comma left square bracket g ring operator f right square bracket left parenthesis x right parenthesis لكل مما يأتي:

الحل

table attributes columnalign right columnspacing 1em end attributes row cell f left parenthesis x right parenthesis equals 2 x plus 1 comma space of 1em g left parenthesis x right parenthesis equals 4 x minus 5 end cell row cell table attributes columnalign left columnspacing 1em end attributes row cell left square bracket f ring operator g right square bracket left parenthesis x right parenthesis equals 8 x minus 9 end cell row cell left square bracket g ring operator f right square bracket left parenthesis x right parenthesis equals 8 x minus 1 end cell end table end cell end table

حل مراجعة درس العمليات على الدوال

دليل الدراسة والمراجعة

العمليات على الدوال

أوجد left square bracket f ring operator g right square bracket left parenthesis x right parenthesis comma left square bracket g ring operator f right square bracket left parenthesis x right parenthesis لكل مما يأتي:

9)

table attributes columnalign right columnspacing 1em end attributes row cell f left parenthesis x right parenthesis equals 2 x plus 1 comma space of 1em g left parenthesis x right parenthesis equals 4 x minus 5 end cell row cell table attributes columnalign left columnspacing 1em end attributes row cell left square bracket f ring operator g right square bracket left parenthesis x right parenthesis equals 8 x minus 9 end cell row cell left square bracket g ring operator f right square bracket left parenthesis x right parenthesis equals 8 x minus 1 end cell end table end cell end table

10)

table attributes columnspacing 1em end attributes row cell f left parenthesis x right parenthesis equals x squared plus 1 comma g left parenthesis x right parenthesis equals x minus 7 end cell row cell left square bracket f ring operator g right square bracket left parenthesis x right parenthesis equals x squared minus 14 x plus 50 end cell row cell left square bracket g ring operator f right square bracket left parenthesis x right parenthesis equals x squared minus 6 end cell end table

11)

table attributes columnspacing 1em end attributes row cell straight f left parenthesis straight x right parenthesis equals straight x cubed comma straight g left parenthesis straight x right parenthesis equals straight x minus 1 end cell row cell left square bracket straight f ring operator straight g right square bracket left parenthesis straight x right parenthesis equals straight x cubed minus 3 straight x squared plus 3 straight x minus 1 end cell row cell left square bracket straight g ring operator straight f right square bracket left parenthesis straight x right parenthesis equals straight x cubed minus 1 end cell end table

12)

table attributes columnalign right columnspacing 1em end attributes row cell f left parenthesis x right parenthesis equals 4 x comma space of 1em g left parenthesis x right parenthesis equals 5 x minus 1 end cell row cell table attributes columnalign left columnspacing 1em end attributes row cell left square bracket f ring operator g right square bracket left parenthesis x right parenthesis equals 20 x minus 4 end cell row cell left square bracket g ring operator f right square bracket left parenthesis x right parenthesis equals 20 x minus 1 end cell end table end cell end table

13) قياسات: تستعمل الصيغة 3y = f لتحويل الياردات y إلى أقدام f، كذلك تستعمل الصيغة f equals n over 12 لتحويل البوصات n إلى أقدام f، اكتب الصيغة التي تحول الياردات إلى بوصات.

n equals 36 y