SOLUTION: y=5x-4 Is the inverse a function?

Algebra ->  Functions -> SOLUTION: y=5x-4 Is the inverse a function?      Log On


   



Question 370455: y=5x-4
Is the inverse a function?

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
y=5x-4
x=5y-4
5y=x+4
y=(x+4)/5 the inverse.
Yes, it passes the vertical line test.
.
Ed
.
graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C%28x%2B4%29%2F5%29