Наши действия: 1) ищем производную 2) приравниваем её к нулю и решаем уравнение 3) выясняем, какие корни попали в указанный промежуток и ищем значения данной функции в этих точках и на концах промежутка. 4) из всех результатов ищем наибольший( наименьший) и пишем ответ. поехали? 1)f'(x) = 3x^2 -12 2)3x^2 -12 = 0 3x^2 = 12 x^2 = 4 x = +-2 3) из этих чисел в указанный промежуток [0;3] попал х = 2 f(2) = 2^3 -12*2 +7 = 8 -24 +7 = 15 -24 = -9 f(0) = 0^3 -12*0 +7 = 7 f(3) = 3^3 -12*3 +7= 27 -36 +7 = 34 - 36 = -2 4) ответ: max f(x) = f(0) = 7 minf(x) = f(2) = -9
2) приравниваем её к нулю и решаем уравнение
3) выясняем, какие корни попали в указанный промежуток и ищем значения данной функции в этих точках и на концах промежутка.
4) из всех результатов ищем наибольший( наименьший) и пишем ответ.
поехали?
1)f'(x) = 3x^2 -12
2)3x^2 -12 = 0
3x^2 = 12
x^2 = 4
x = +-2
3) из этих чисел в указанный промежуток [0;3] попал х = 2
f(2) = 2^3 -12*2 +7 = 8 -24 +7 = 15 -24 = -9
f(0) = 0^3 -12*0 +7 = 7
f(3) = 3^3 -12*3 +7= 27 -36 +7 = 34 - 36 = -2
4) ответ: max f(x) = f(0) = 7
minf(x) = f(2) = -9
阿迪爾汗
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom