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F and f^-1 are functions. If f(x)=x+2, then f^-1 (x+2)=?
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5 votes
F and f^-1 are functions.
If f(x)=x+2, then f^-1 (x+2)=?

User Jeevan Patil
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1 Answer

5 votes

\mathtt{f^-1(x+2)=?}\\\mathtt{f(?)=x+2}\\\mathtt{but\:f(x)=x+2\:because\:at\:the\:question.}\\\mathtt{so\:?=x}
User Krodmannix
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