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donnie1999

  • one year ago

If f(x) = 2x + 3 and g(x) = x^2 + 1, find f(g(3)).

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  1. donnie1999
    • one year ago
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    @dcskaf

  2. anonymous
    • one year ago
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    what did you get?

  3. donnie1999
    • one year ago
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    1 sec

  4. donnie1999
    • one year ago
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    i got 82?

  5. anonymous
    • one year ago
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    what steps did you take?

  6. anonymous
    • one year ago
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    f(x) = 2 x+3 and g(x) = x^2+1

  7. donnie1999
    • one year ago
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    that the problem i dont know what steps to take?

  8. anonymous
    • one year ago
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    ok

  9. anonymous
    • one year ago
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    look at the second equation f(g(3))

  10. donnie1999
    • one year ago
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    would it be 23?

  11. anonymous
    • one year ago
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    it says x in g is 3

  12. anonymous
    • one year ago
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    and x in f(x) is equal to the result of g(3)

  13. anonymous
    • one year ago
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    so first g(3)=3^2+1

  14. donnie1999
    • one year ago
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    k

  15. anonymous
    • one year ago
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    which is equal to 10 which plug into f(x) f(x)=2(10)+3

  16. anonymous
    • one year ago
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    so yes it is 23

  17. donnie1999
    • one year ago
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    so would it be 47?

  18. anonymous
    • one year ago
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    Donnie watcha need?

  19. anonymous
    • one year ago
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    do you get it?

  20. donnie1999
    • one year ago
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    @dcskaf do u know if 47 would be wright?

  21. anonymous
    • one year ago
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    no it is 23

  22. donnie1999
    • one year ago
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    lol srry i did not see that

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spraguer (Moderator)
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