SOLUTION: f(x) = 3x and g(x) = x/3 f(g(x)) =?

SOLUTION: f(x) = 3x and g(x) = x/3 f(g(x)) =?

Algebra.Com

Question 1023535: f(x) = 3x and g(x) = x/3 f(g(x)) =?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
f(g(x)) = x, by direct substitution.
Note also that this makes them inverses of each other, along with the fact that g(f(x)) = x.
RELATED QUESTIONS
f(x)=3x, and g(x)=4x-3, find f[g(5)] and... (answered by Nate)

f g, f-g, fg and f/g. determine the domain for each function f(x) f(x)=3x+4, g(x)=x+3... (answered by stanbon)

f(x)=3x and g(x)=x^2 find g(f(x)) and... (answered by Theo)

f(x)=3x+2 and g(x)= x-3 find... (answered by Tatiana_Stebko)

f(x)=x-2,g(x)=3x+3. What is f(g(x)) and g(f(x))? (answered by josgarithmetic)

If f(x) =x^3 and g (x) = -6+3x, find... (answered by Earlsdon)

If f(x)=-x^2+3x+5 and g(x)=-|3-x|, determine... (answered by Fombitz)

f(x)=3x+7 and g(x)= x-7/3, find... (answered by stanbon)

if f(x)=3x-1 and g(x)=(x+1)/3 show g(f(x)) (answered by user_dude2008)

find f(3)/g(1) f(x)=x^2-x and... (answered by checkley77)