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OpenStudy (anonymous):
What is f^1(3) when f(x)=(2x-7)/3 ?
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OpenStudy (anonymous):
* f^-1(3)
OpenStudy (anonymous):
8
OpenStudy (anonymous):
First you need to invert the function
OpenStudy (anonymous):
I got 8 too, but I have a question that asks which statements have the same result, and I got 8 for all of them. So I dont know where I went wrong.
OpenStudy (anonymous):
I\[y=( x/3 +7) / 2. \]
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OpenStudy (anonymous):
Is this what you got for the inverse? If so I came up with 4.
OpenStudy (anonymous):
No, I put y=(3x+7)/2. Wouldnt you multiply both sides by 3?
OpenStudy (anonymous):
Your right. My error
OpenStudy (anonymous):
So you did get 8?
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