SOLUTION: I need to use inverse operations to write the inverse of this function: f(x)=10-4x

Algebra ->  Inverses -> SOLUTION: I need to use inverse operations to write the inverse of this function: f(x)=10-4x       Log On


   

Question 270421: I need to use inverse operations to write the inverse of this function: f(x)=10-4x
Answer by papugai(18) About Me  (Show Source):
You can put this solution on YOUR website!
I need to use inverse operations to write the inverse of this function: f(x)=10-4x
This is the same as y=10-4x
To find the inverse, by definition, you can write x as y and y as x:
x=10-4y
Solve for y:
x-10=-4y
y=%28x-10%29%2F-4