anonymous
  • anonymous
can you explain to me very explicitly how to do this problem and others on how to find the domain of f and g with f(x)=3x^2+2 and g(x)=2x thanks
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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baldymcgee6
  • baldymcgee6
Do you mean f of g as in f(g(x))?
anonymous
  • anonymous
yea I think
baldymcgee6
  • baldymcgee6
or each function separately?

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baldymcgee6
  • baldymcgee6
I'm not sure what you are specifically asking...?
anonymous
  • anonymous
f(g(x))
baldymcgee6
  • baldymcgee6
okay, so do you know what f(g(x)) = ?
baldymcgee6
  • baldymcgee6
No, but similar, think of f(g(x) as: anytime there is an "x" in the function f(x), replace the x with g(x), which is 2x
baldymcgee6
  • baldymcgee6
so its really: f(g(x) = 3(g(x))^2 + 2
anonymous
  • anonymous
ohh ok
baldymcgee6
  • baldymcgee6
which is specifically: f(g(x)) = 3(2x)^2 +2
anonymous
  • anonymous
ok thanks first time using this site
baldymcgee6
  • baldymcgee6
ok, feel free to give me a medal by choosing "best response". :)
baldymcgee6
  • baldymcgee6
awesome, let me know if you need more help.
anonymous
  • anonymous
ok ill post something maybe

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