SOLUTION: what is the inverse operation of: f(x)=1/5x+12

Algebra ->  Inverses -> SOLUTION: what is the inverse operation of: f(x)=1/5x+12      Log On


   

Question 712502: what is the inverse operation of:
f(x)=1/5x+12
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
inverse operation of:
f%28x%29=%281%2F5%29x%2B12
y = f(x)
y=%281%2F5%29x%2B12
Exchange x and y and solve for y
x=%281%2F5%29y%2B12
multiply both sides by 5
5x = y + 60
5x - 60 = y or
y = 5x - 60; is the inverse
:
looks like this
+graph%28+300%2C+300%2C+-100%2C+100%2C+-100%2C+100%2C+.2x%2B12%2C+5x-60%29+