F(x+3)=2x+5 find f(x)​

asked Nov 10, 2022 108k views

4 votes

F(x+3)=2x+5 find f(x)

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Answer:

Hello,

f(x)=2x-1

Explanation:

$f(x+3)=2x+5\\\\Let\ say\ x=y-3\\\\f(y-3+3)=2(y-3)+5\\\\\\f(y)=2y-6+5\\\\f(y)=2y-1\\\\\boxed{f(x)=2x-1}\\$

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