gof equals fog?

[s2bmodel]

I just need to know how you'd go about finding a function where g(f(x))=f(g(x))...could you help plz?

 

[sco11]

Like an inverse function?

 

[stapel]

I just need to know how you'd go about finding a function where g(f(x))=f(g(x))...

There are probably many such functions f and g. What do you mean by "finding" "a" function?

Please reply with the exact and complete text of the exercise with which you are having difficulty. Thank you.

Eliz.

 

[tkhunny]

I just need to know how you'd go about finding a function where g(f(x))=f(g(x))...could you help plz?

How about f(x) = g(x) = x.

 

[stapel]

Any f(x) = g(x) will work. I wonder if the student is supposed to find a few examples where f(x) does not equal g(x).

Eliz.

 

[tkhunny]

Yup. It's tough to know without a complete problem statement.

 

[s2bmodel]

I figured this out, but here was the complete problem.

Find an example where f of g equals g of f and an example where f of g does not equal g of f.

f(g(x)) g(f(x))