What is an inverse function? Give an example.?

2:What is a composite function? Give an example.?

3:

The inverse of a function is a set of ordered pairs obtained by interchanging the first and second elements of each pair in the original function. Example: f(x)=x-4

y=x-4

x=y-4

x+4=y

f-1(x)=x+4 is this correct explain why?

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