SOLUTION: If g(x)=3x+8, solve g[g(x)]=g(x) for x.

Question 286273: If g(x)=3x+8, solve g[g(x)]=g(x) for x.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If g(x)=3x+8, solve g[g(x)]=g(x) for x.
-----------------
g[3x+8] = 3x+8
---
3(3x+8)+8 = 3x+8
9x+24 + 8 = 3x+8
6x + 32 = 8
6x = - 24
x = -4
=========================
Cheers,
Stan H.
=========================
RELATED QUESTIONS
If g(x) = 3x - 8, find g[g(-4)].... (answered by fractalier,Nate)

gog=g(g(x)) (answered by Theo)

Solve G(x) for the given domain. G(x) = 3x 2 - 2x - 1 G(a + b)... (answered by stanbon)

Solve for g[f(4)= find g[f(4)] if f(x)=5x and... (answered by ewatrrr)

Solve for x G(x) =5x g(-2) g(17)... (answered by checkley77)

please help me solve g(12) - g (8) if... (answered by don vito)

g(x)=x2-3x+8, find... (answered by stanbon,Ave)

if g(x) = log4 x, find... (answered by jsmallt9)

If g(x) = (x+2)/3, find... (answered by robertb)