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For which pairs of functions is (fog)(x) = x?

User Nofunsally
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2 Answers

2 votes

Explanation:

The given pair of functions f and g in which

( fog)(x)=x are inverse to eachother

User Siva Velusamy
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3.5k points
7 votes

Answer:

option 2 on ed

Explanation:

f(x)=2/x and g(x)=2/x

f(g(x))= f(2/x)= 2 /2/x (multiply the x on the top and bottom, the bottom cancels out)

You are then left with x

User Neatnick
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3.6k points