If f(x)=x-4 and g(x)=2x-3, find f o g

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12-05-2017
Mathematics

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If f(x)=x-4 and g(x)=2x-3, find f o g

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JonHenderson55 JonHenderson55 · Answer 1 · 2017-05-14T09:39:14+02:00

Answer: " 2x − 7 " .
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If f(x) = x − 4 ;

and g(x) = 2x − 3 ;

Then, (f o g)(x) =

                f(2x − 3) = x − 4 ;

                               = (2x − 3) − 4 = 2x − 3 − 4 ;

                                                       = 2x − 7 .
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