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Mathematics 10 Online
OpenStudy (anonymous):

If f(x) = x+2/2, then what is f–1(x) ?

OpenStudy (anonymous):

f(-1) or f-1(x) ?

OpenStudy (anonymous):

I guess you mean this : :) \[\LARGE f(x)={x+2 \over 2} \quad \quad ,\quad \quad f^{-1}(x)=?\]

OpenStudy (anonymous):

f-1(x) i haven't seen that before. but that's what it shows.

OpenStudy (anonymous):

yep kresh

OpenStudy (anonymous):

or maybe i just overlooked it in the lesson -.-

OpenStudy (anonymous):

f^-1(x) ok?

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

\[\LARGE f(x)={x+2 \over 2}\Longrightarrow f^{-1}(x)=\cfrac{1}{\cfrac{x+2}{2}}\]

OpenStudy (anonymous):

simple 1/(2x+4)

OpenStudy (anonymous):

are you sure? here are the choices: A.1/2x + 1 B. 2x + 1 C. 2x – 2 D. 2x + 2

OpenStudy (anonymous):

ops no is: 2/x+2

OpenStudy (anonymous):

well... every time I had something similar I did it like this, I hope I didn't screw them all up ! O_O lol

OpenStudy (anonymous):

2/x +1

OpenStudy (anonymous):

2/x + 1 or 2x+1?? im not quite sure xD

OpenStudy (anonymous):

sorry to ask but... how come "+1" ??

OpenStudy (anonymous):

step1: 1/(x+2/2) step2: 2/x+2 step3: 2/x+1

OpenStudy (anonymous):

ah.. I get it 2/x+2/2 :F

OpenStudy (anonymous):

fontez your step 2 and step 3 doesn't seem to stay calm , I think they're arguing about something ! lol

OpenStudy (anonymous):

?

OpenStudy (anonymous):

idk but both of ur answers are wrong xDDD

OpenStudy (anonymous):

anyway thanks for answering

OpenStudy (anonymous):

i cant give medals for both of u so im not giving any medals :D

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