Предмет: Алгебра, автор: Kiyanovasholpan

обратная функция функции под корнем f(x)=√25-х²

Ответы

Автор ответа: Аноним

Вообще: как составляется формула функции, обратной данной?
1) Из данной функции надо выразить х через у ( f(x))
2) Найденную х обозначить буквой у
у = √(25 - х²)
у² = 25 - х²
х² = 25 - у²
х = √ (25 - у²)
у = √(25 - х²)
Вывод: данная функция обратна сама себе.

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