SOLUTION: Find the inverse of the function g(x)= 2x-1.

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Question 483402: Find the inverse of the function g(x)= 2x-1.
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find the inverse of the function g(x)= 2x-1
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y=2x-1
The procedure for finding the inverse is to interchange x and y, then solve for y:
x=2y-1
2y=x+1
y=(x+1)/2 (this is the inverse of 2x-1)
see graph below as a visual check on the answer: (red line is first equation, green line, the inverse)
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+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+2x-1%2C%28x%2B1%29%2F2%29+