SOLUTION: Graph the function, then write and graph its inverse. f(x)=2x-4 Thanks!

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Question 1018182: Graph the function, then write and graph its inverse.
f(x)=2x-4
Thanks!
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 2x -4
+graph%28300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+2x-4%29
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y = 2x -4
2x = y + 4
x = (y + 4) / 2
y = (x + 4) / 2
f^-1(x) = (x + 4) / 2
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+%28x+%2B+4%29+%2F+2%29