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Hey can you please help me posted picture of question

Hey can you please help me posted picture of question-example-1

1 Answer

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The inverse of 7x ix x/7

The composition of the function and its inverse must be zero. So the composition of 7x with x/7 is:


(F( F^(-1)x)) \\ \\ =F( (x)/(7)) \\ \\ = 7((x)/(7)) \\ \\ = x

Thus, 7x and x/7 are inverse of each other.

So the answer to this question is option B
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