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Calcmathlete
Group Title
If f(x + 3) = \(x^2 + 2x + 4\), find f(x).
Do I just plug in x + 3 for x?
 one year ago
 one year ago
Calcmathlete Group Title
If f(x + 3) = \(x^2 + 2x + 4\), find f(x). Do I just plug in x + 3 for x?
 one year ago
 one year ago

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waterineyes Group TitleBest ResponseYou've already chosen the best response.1
Replace x + 3 by x.. So put x  3..
 one year ago

Calcmathlete Group TitleBest ResponseYou've already chosen the best response.0
Wait, why would that work? I just want to understand the dynamics of why it works.
 one year ago

sai1234 Group TitleBest ResponseYou've already chosen the best response.0
put x  3 inplace of x because f((x3)+3)=f(x3+3)=f(x)
 one year ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.1
If you replace there x by x 3: Then: \[f(\color{green}{x} + 3) = f(\color{blue}{x  3} + 3) = f(x)\]
 one year ago

Calcmathlete Group TitleBest ResponseYou've already chosen the best response.0
Oh I get it now... f(x) = x^2  4x + 7?
 one year ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.1
Well Done..
 one year ago

Calcmathlete Group TitleBest ResponseYou've already chosen the best response.0
Thanks :)
 one year ago

waterineyes Group TitleBest ResponseYou've already chosen the best response.1
Hey right this time you became 93.. Congratulations..
 one year ago

Calcmathlete Group TitleBest ResponseYou've already chosen the best response.0
Thank you again :)
 one year ago
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