anonymous
  • anonymous
for f(x)=2x+1 and g(x)=x3-7, find(f*g)(x).
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
thx but i also wanted to learn how to work out the problem so id be able to do it own my own
anonymous
  • anonymous
does that * symbol look more like a lowercase o?
anonymous
  • anonymous
sorta it a multiplication sign

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anonymous
  • anonymous
like (f o g)(x)?
anonymous
  • anonymous
oo then no
anonymous
  • anonymous
like "f of g of x?" does that sound familiar?
anonymous
  • anonymous
not really i just staarted taking the class online so there no help for me relly
anonymous
  • anonymous
hmm ok i think that is what it means, it basically means to take f(x) and for the input use g(x) so it would look like this f(g(x))
anonymous
  • anonymous
ok
anonymous
  • anonymous
so do you see how g(x) = x^3 - 7, you would plug x^3 - 7 in everywhere you see an x in f(x)
anonymous
  • anonymous
does that make sense?
anonymous
  • anonymous
yea it does
anonymous
  • anonymous
ok cool, post your answer if you want to make sure, i will let you know if you got it
anonymous
  • anonymous
and i would multiply every thing were x was
anonymous
  • anonymous
dont multiply just plug in
anonymous
  • anonymous
post what you get

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