## anonymous 3 years ago If f(x)=(x+2/2) then what is f^-1(x)

1. anonymous

x^2/x+1

2. anonymous

$f(x)=\frac{ x+2 }{ 2 } what is f ^{-1}(x)$

3. anonymous

$A. \frac{ 1 }{ 2 }x+1$

4. anonymous

$B. 2x+1$

5. anonymous

$C. 2x-2$

6. anonymous

$D. 2x+2$

7. anonymous

put y = (x + 2)/2 now try to get x in terms of y , replace it with x and that is f ^-1 x

8. anonymous

Thanks! :)

9. anonymous

yw :)