This is how you go about it:

ley f(x) be y therefore the equation will be y=5x-4

switch x for y , the equation will be x=5y-4

divide both sides by 5........ x/5=y-4/5

therefore, x/5+4/5=y...............hence y=x/5+4/5

y=(x+4)/5

the inverse of f(x)=(x+4)/5

Secure Information

Content will be erased after question is completed.

Enter the email address associated with your account, and we will email you a link to reset your password.

Forgot your password?

Sign Up