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kropot72
 one year ago
Best ResponseYou've already chosen the best response.1\[y=\frac{x+2}{2}\] The next step is to interchange x and y. Do you want me to take you thru it?

DeadShot
 one year ago
Best ResponseYou've already chosen the best response.0yes, i don't understand this kind of problem

agradecompetent
 one year ago
Best ResponseYou've already chosen the best response.0okay let's do it step by step

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1When we interchange x and y we get \[x=\frac{y+2}{2}\] Now we need to solve for y by multiplying both sides by 2 giving\[2x=y+2\] Now you can subtract 2 from both sides to find y which is \[f ^{1}(x)\]

DeadShot
 one year ago
Best ResponseYou've already chosen the best response.0so then, it would be 2x  2 = y, right?

kropot72
 one year ago
Best ResponseYou've already chosen the best response.1@DeadShot Good work. Youare correct. You can factorise 2x  2 = 2(x  1)

agradecompetent
 one year ago
Best ResponseYou've already chosen the best response.0f(x) = (x+2)/2 =>y=(x+2)/2 2y= x+2 x=2y2 x=2(y1) find f^1(x) f^1(x) = 2(x1)

agradecompetent
 one year ago
Best ResponseYou've already chosen the best response.0you are welcome Deadshot
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