How do I justify if these functions are inverses of each other ... F(x)=x^3 +4 & g(x)=3(radical sign) -4

Question

13-04-2014
Mathematics

Answered

How do I justify if these functions are inverses of each other ... F(x)=x^3 +4 & g(x)=3(radical sign) -4

Answer :

Other Questions

Bernie owns the Bright Blooms flower shop. When he makes a small bouquet, he uses 3 roses and 6 lilies. When he makes a large bouquet, he uses 6 roses and 8 lil

PrincessLexxi PrincessLexxi · Answer 1 · 2014-04-13T20:30:11-04:00

PrincessLexxi PrincessLexxi

13-04-2014

You plug them into each other for x like so:
(3(radical sign)-4)^3+4
-4+4
You're left with x
Then do the same for the other one
3(radical sign)(x^3+4)-4
X+4-4
Left with x again there fore it is an inverse

Answer Link