Linear Algebra
posted by Who would know
which of the following functions is the inverse of F(X)=3x
F(X)=3X
F(X)=X (cubed)****
F(X)= X/3
This function does not have an inverse.
Thank you!

bobpursley
http://www.coolmath.com/algebra/16inversefunctions/05howtofindtheinverseofafunction01

Bosnian
Replace F(x)with y
y = 3 x
Interchange the variables
x = 3 y Divide both sides by 3
x / 3 = y
y = x / 3
Replace y with F(x)
F(x)= x / 3
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