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anonymous
 one year ago
FAN AND MEDAL
If ƒ(x) = 2x, then ƒ 1(x) =
anonymous
 one year ago
FAN AND MEDAL If ƒ(x) = 2x, then ƒ 1(x) =

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Nnesha
 one year ago
Best ResponseYou've already chosen the best response.2f(x) is same as y so you can replace f(x) with y \[\huge\rm \color{red}{y}=2\color{blue}{x}\] to find inverse f^{1}(x) `switch x and y` then solve for y

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Im still confused... how do you switch x and y?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.2`switch x and y` means replace x with y and y with x

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.2here is an example \[\color{ReD}{y}=\color{blue}{x}+2\] to find inverse i'll switch x and y \[\color{blue }{x}=\color{red}{y}+2\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0wouldnt it just go back and forth x=2y.... 2x=y... y=2y

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.2no how would you cancel out 2 from right side ? remember it's multiplication ` 2 times y` do opposite of multiplication to cancel out the 2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh ok thankyou so much @Nnesha
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