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anonymous

  • one year ago

for f(x)=2x+1 and g(x)=x3-7, find(f*g)(x).

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  1. anonymous
    • one year ago
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    thx but i also wanted to learn how to work out the problem so id be able to do it own my own

  2. anonymous
    • one year ago
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    does that * symbol look more like a lowercase o?

  3. anonymous
    • one year ago
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    sorta it a multiplication sign

  4. anonymous
    • one year ago
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    like (f o g)(x)?

  5. anonymous
    • one year ago
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    oo then no

  6. anonymous
    • one year ago
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    like "f of g of x?" does that sound familiar?

  7. anonymous
    • one year ago
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    not really i just staarted taking the class online so there no help for me relly

  8. anonymous
    • one year ago
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    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))

  9. anonymous
    • one year ago
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    ok

  10. anonymous
    • one year ago
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    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)

  11. anonymous
    • one year ago
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    does that make sense?

  12. anonymous
    • one year ago
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    yea it does

  13. anonymous
    • one year ago
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    ok cool, post your answer if you want to make sure, i will let you know if you got it

  14. anonymous
    • one year ago
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    and i would multiply every thing were x was

  15. anonymous
    • one year ago
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    dont multiply just plug in

  16. anonymous
    • one year ago
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    post what you get

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spraguer (Moderator)
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