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anonymous

  • one year ago

Can anyone help me with this multiple choice question?

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  1. anonymous
    • one year ago
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    Here

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  2. hartnn
    • one year ago
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    what have you tried?

  3. anonymous
    • one year ago
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    Nothing because i don't even know how to do it or where to start :/

  4. hartnn
    • one year ago
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    to get (f o g)(x), plug in x= g(x) in f(x). confusing? example : f(x) = 12x^2-5 g(x) = x+7, plug in x = 'x+7' in f(x) so, (f o g)(x) = 12(x+7)^2 -5 I just replaced x by x+7 in the f(x) expression. got this?

  5. hartnn
    • one year ago
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    then expand 12(x+7)^2 -5, which will lead you to the answer!

  6. anonymous
    • one year ago
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    So it's b?

  7. hartnn
    • one year ago
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    can you show your work how you got b ? because its not b

  8. hartnn
    • one year ago
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    but you're very close :)

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