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anonymous

  • one year ago

For the function y = f(x), what is the ordered pair for the point on the graph when x = 3n - 4?

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  1. anonymous
    • one year ago
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    (3n - 4, f(n)) (3n - 4, f(3n - 4)) (x, f(3n)) (x, 3n - 4)

  2. SolomonZelman
    • one year ago
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    For a function y=f(x), when x=2, my ordered pair would be \((2,~f(2))\). Do you agree with that?

  3. SolomonZelman
    • one year ago
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    And same thing is when x=3n-4, except that instead of a 2 I got \(\small3{\rm n}-4\).

  4. anonymous
    • one year ago
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    mhm okay yea i understand

  5. anonymous
    • one year ago
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    so its d right

  6. SolomonZelman
    • one year ago
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    no

  7. SolomonZelman
    • one year ago
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    let me ask you again. I have a function y=f(x), and my x=4, what is the ordered pair?

  8. anonymous
    • one year ago
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    \[(4,f4)\]

  9. SolomonZelman
    • one year ago
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    yes, \(\color{blue}{(4,f(4))}\)

  10. SolomonZelman
    • one year ago
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    Ok, now my function is still f(x), but my x=8b what is my ordered pair then?

  11. anonymous
    • one year ago
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    \[(8b, f(8b))\]?

  12. SolomonZelman
    • one year ago
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    yes, that is right

  13. SolomonZelman
    • one year ago
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    now, my function is still f(x), and my x=3n-4 my ordered pair is?

  14. anonymous
    • one year ago
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    \[(3n-4 , f(3n-4))\]

  15. SolomonZelman
    • one year ago
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    yes, that is right....

  16. anonymous
    • one year ago
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    so b is the answer

  17. SolomonZelman
    • one year ago
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    yes, B is the answer.

  18. anonymous
    • one year ago
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    Awesome thank you so much again ! ;p

  19. SolomonZelman
    • one year ago
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    yw

  20. anonymous
    • one year ago
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    could you help me with this one

  21. anonymous
    • one year ago
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    The table below represents the velocity of a car as a function of time: Time (second) x Velocity (m/s) f (x) 15 45 22 66 29 87 36 108 The average rate of change of the function between x = 15 to x = 29 is __________m/s2 and represents the car's acceleration.

  22. anonymous
    • one year ago
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  23. anonymous
    • one year ago
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    thats the table

  24. anonymous
    • one year ago
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    I'm thinking the answer is 32 but im not so sure

  25. SolomonZelman
    • one year ago
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    ok, you have two points (15,45) and (29,87) all you need to do is to find the slope. |dw:1437936165499:dw|

  26. anonymous
    • one year ago
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    3

  27. SolomonZelman
    • one year ago
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    yes

  28. SolomonZelman
    • one year ago
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    that is the average rate of change

  29. anonymous
    • one year ago
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    awesome thanks

  30. SolomonZelman
    • one year ago
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    anytime!

  31. anonymous
    • one year ago
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    ;p

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