SOLUTION: f(x)=2x+4 find the inverse function, domain and range of inverse function

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Question 662913: f(x)=2x+4 find the inverse function, domain and range of inverse function
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=2x+4 find the inverse function, domain and range of inverse function
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1st: interchange x and y
x = 2y+4
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2nd: Solve for "y":
2y = x-4
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Divide both sides by 2 to get:
y = (1/2)x -2
That is the inverse function:
Domain: All Real Numbers
Range: All Real Numbers
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Cheers,
Stan H.