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For which function is f(x) not equal to f^-1(x)

For which function is f(x) not equal to f^-1(x)-example-1
User Headkit
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1 Answer

2 votes

Choice D:-

f(x) = 2x

x = f(x) / 2

f(-1)x = x/2

so its D

User Efleming
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