Função inversa
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Função inversa
determinar sua inversa:
![Função inversa 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)
resposta:
![Função inversa A6Zuq5ZQHivsAAAAAElFTkSuQmCC](data:image/png;base64,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)
alguém me explica como chego a essa resposta
resposta:
alguém me explica como chego a essa resposta
Última edição por erikapp55 em Sáb 20 Fev 2021, 22:12, editado 1 vez(es)
erikapp55- Padawan
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Re: Função inversa
neste caso, onde complica um pouco, primeiro acha as imagens das f(x) nos domínios dados; esta imagem será o domínio da inversa f-1(x).
depois a mecânica é simples: na f(x) troca o x pelo y e isola o y, obtendo assim a f-1(x).
![Função inversa Scre1194](https://i.servimg.com/u/f97/19/71/54/56/scre1194.jpg)
o item c necessita atenção.
y = -x² - 2x - 4
trocando x por y ----> x = -y² - 2y - 4 ------ ajeitando ---> x = -(y² + 2y + 4) ----> x = -(y² + 2y + 1 + 3) ----> x = -(y + 1)² - 3 --->
x + 3 = -(y + 1)² -----> -x - 3 = (y + 1)²
portanto temos duas possibilidades
(y + 1) = +√(-x - 3)
ou
(y + 1) = -√(-x -3)
como a "aba" da parábola da f. direta se opõe a "aba" da parábola da funçao do item (a), esta "aba" da inversa deve se opor à daquela inversa.
Um outro modo de ver é levantar o gráfico da direta e observar que a inversa deve ter sua "aba" para baixo.
Portanto,
f-1(x) = y = -√(-x -3) - 1
depois a mecânica é simples: na f(x) troca o x pelo y e isola o y, obtendo assim a f-1(x).
![Função inversa Scre1194](https://i.servimg.com/u/f97/19/71/54/56/scre1194.jpg)
o item c necessita atenção.
y = -x² - 2x - 4
trocando x por y ----> x = -y² - 2y - 4 ------ ajeitando ---> x = -(y² + 2y + 4) ----> x = -(y² + 2y + 1 + 3) ----> x = -(y + 1)² - 3 --->
x + 3 = -(y + 1)² -----> -x - 3 = (y + 1)²
portanto temos duas possibilidades
(y + 1) = +√(-x - 3)
ou
(y + 1) = -√(-x -3)
como a "aba" da parábola da f. direta se opõe a "aba" da parábola da funçao do item (a), esta "aba" da inversa deve se opor à daquela inversa.
Um outro modo de ver é levantar o gráfico da direta e observar que a inversa deve ter sua "aba" para baixo.
Portanto,
f-1(x) = y = -√(-x -3) - 1
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