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!
2 answers
http://www.coolmath.com/algebra/16-inverse-functions/05-how-to-find-the-inverse-of-a-function-01
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
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
1 answer