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Katieann16 Group Title

Help me .

  • 2 years ago
  • 2 years ago

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  1. math>philosophy Group Title
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    lol

    • 2 years ago
  2. Katieann16 Group Title
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    if \[f(x)=x ^{2} \] and \[g(x)=x+4\] find: A) ( fog ) (x) B) (fog) (2)

    • 2 years ago
  3. Katieann16 Group Title
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    @math>philosophy shut up lol

    • 2 years ago
  4. math>philosophy Group Title
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    do you know how to evaluate composite functions

    • 2 years ago
  5. Katieann16 Group Title
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    no

    • 2 years ago
  6. math>philosophy Group Title
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    take the function g(x) and put it into the variable for f(x) so f(x) = (x+4)^2 right

    • 2 years ago
  7. Katieann16 Group Title
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    yeah .. lol

    • 2 years ago
  8. math>philosophy Group Title
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    so just plug in whatever you want to

    • 2 years ago
  9. Katieann16 Group Title
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    @jim_thompson5910

    • 2 years ago
  10. Katieann16 Group Title
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    No

    • 2 years ago
  11. math>philosophy Group Title
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    yes

    • 2 years ago
  12. Katieann16 Group Title
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    NO

    • 2 years ago
  13. math>philosophy Group Title
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    yes

    • 2 years ago
  14. Katieann16 Group Title
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    okay .

    • 2 years ago
  15. math>philosophy Group Title
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    good

    • 2 years ago
  16. Katieann16 Group Title
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    Shut up

    • 2 years ago
  17. jim_thompson5910 Group Title
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    f(x)=x^2 f(g(x))=(g(x))^2 f(g(x))=(x+4)^2 (f o g)(x)=(x+4)^2

    • 2 years ago
  18. jim_thompson5910 Group Title
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    optionally, you can expand (x+4)^2 to get x^2 + 8x + 16, but again, it's optional in my view

    • 2 years ago
  19. jim_thompson5910 Group Title
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    to find (fog) (2), you plug x = 2 into (f o g)(x)=(x+4)^2 to get (f o g)(x)=(x+4)^2 (f o g)(2)=(2+4)^2 I'll let you finish

    • 2 years ago
  20. Katieann16 Group Title
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    (fog)(2)= (6)^2

    • 2 years ago
  21. jim_thompson5910 Group Title
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    keep going

    • 2 years ago
  22. Katieann16 Group Title
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    (fog)(2)= 12?

    • 2 years ago
  23. Katieann16 Group Title
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    36*

    • 2 years ago
  24. jim_thompson5910 Group Title
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    36, yes

    • 2 years ago
  25. Katieann16 Group Title
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    so the answer is fog(2)=36?

    • 2 years ago
  26. jim_thompson5910 Group Title
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    yep

    • 2 years ago
  27. Katieann16 Group Title
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    Thank you(:

    • 2 years ago
  28. jim_thompson5910 Group Title
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    yw

    • 2 years ago
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