Tuesday

October 21, 2014

October 21, 2014

Posted by **anon** on Wednesday, December 21, 2011 at 10:42am.

f(x)= 5/(2 -x)

g (x) = 2 - 5/x

- pre calculus -
**Steve**, Wednesday, December 21, 2011 at 11:28amwhat's the problem?

f(x) = 5/(2-x) so

f(g) = 5/(2-g)

= 5/(2-[2 - 5/x])

= 5/(2 - 2 + 5/x)

= 5/(5/x)

= 5*x/5

= x

Do likewise for g(f)

**Answer this Question**

**Related Questions**

Precalculus - Verify that the functions f and g, are inverses of each other by ...

precalculus - verify the functions are inverses of each other by showing that f(...

College Algebra - Verify the function f and g, are inverses of each other by ...

algebra - Verify that the functions f and g are inverses of each other by ...

College Algebra - Verify that the function f and g, are inverses of each other ...

pre calculus - consider the functions f(x)=x^3-3 and g(x)=3 sqrt x+3: a. find f(...

Pre-Calculus - How do you confirm that f and g are inverses by showing that f(g(...

College Algebra - verify that the functions of f and g are inverse of each other...

math-please I really need help!!!!! - Consider the functions f(x)=2x+8/x+6; g(x...

pre cal - Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(...