Question

If f and g are inverse functions, then what is the composition of f and g equal to?



A. 1
B. 0
C. 2x
D. x

Answer 1

Here is sort of an example of what they're asking:
Multiplication and division are inverse operations of one another.
If we start with something like \(\Large x\),

Multiply by 2, \(\Large 2x\)

Then divide by 2, \(\Large \dfrac{2x}{2}\)

What do we end up with?

Answer 2

2x?