Given the function f(x) =2(x+6)-4for what values of x is f(x)=6

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10-11-2020
Mathematics

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Given the function f(x) =2(x+6)-4for what values of x is f(x)=6

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trinitytran2005 trinitytran2005 · Answer 1 · 2020-11-10T16:19:57+01:00

trinitytran2005 trinitytran2005

10-11-2020

f(x) is another way to say “y” so you could also write, y=2(x+6)-4, and it’s asking what does x equal if y is 6, so you substitute 6 for y.
6=2(x+6)-4
6=2x+12-4
6=2x+8
-2=2x
-1=x

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