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This is inverse functions...any help on 3aii?
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5 votes
This is inverse functions...any help on 3aii?

This is inverse functions...any help on 3aii?-example-1
User Pajooh
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8.2k points

1 Answer

5 votes

f(x)=2x-3\\ y=2x-3\\ 2x=y+3\\ x=(y+3)/(2)\\ f^(-1)(x)=(x+3)/(2)\\ f(f^(-1)(x))=2\cdot(x+3)/(2)-3\\ f(f^(-1)(x))=x+3-3\\ f(f^(-1)(x))=x
User Keane
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