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Mathematics 18 Online
OpenStudy (anonymous):

can someone please help me ? and guide me through this?

OpenStudy (anonymous):

@Owlcoffee

OpenStudy (anonymous):

@Peaches15

OpenStudy (owlcoffee):

An inverse function is always represented like this: \[f:f(x) \rightarrow f ^{-1}:f ^{-1}(x) <=>f ^{-1}=\frac{ 1 }{ f(x) }\] So, for the function: \[f(x)=\frac{ 3x +2 }{ 4 }\] it's inverse will be: \[f ^{-1}(x)=\frac{ 1 }{ \frac{ 3x +2 }{ 4 } }\]

OpenStudy (anonymous):

THEN do the reverse

OpenStudy (anonymous):

inverse

OpenStudy (owlcoffee):

Okay, why?

OpenStudy (owlcoffee):

use the definition of inverse function: \[f(a)=b\] \[f ^{-1}(b)=a\]

OpenStudy (anonymous):

@d3v13 do you have an i idea??

OpenStudy (anonymous):

f(x)=3x+2/4

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