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anonymous

  • one year ago

fan and medal! The table below represents the displacement of a turtle from its nest as a function of time: Time (hours) x Displacement from nest (miles) y 0 5 1 27 2 49 3 71 4 93 Part C: What would be the domain of the function if the turtle continued to walk at this rate until it traveled 225 miles from the nest? (2 points)

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  1. anonymous
    • one year ago
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    @welshfella @ganeshie8 @peachpi someone please help me

  2. nonopro
    • one year ago
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    hi

  3. nonopro
    • one year ago
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    oh

  4. anonymous
    • one year ago
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    @nonopro hey:( im still having trouble on this thing still

  5. anonymous
    • one year ago
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    do you know how to find the slope of a line?

  6. anonymous
    • one year ago
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    yea. the slope is: y1-y2/x1-x2

  7. anonymous
    • one year ago
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    right, so if you use 2 of your points, what slope will you get?

  8. anonymous
    • one year ago
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    ok... so my points are, 93 and 5 for the y. and for x, 4 and 0. will that work?

  9. anonymous
    • one year ago
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    yes

  10. anonymous
    • one year ago
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    93-5/4-0=88/4=22.

  11. anonymous
    • one year ago
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    right, and 5 is the y-intercept so the equation for the line is\[y=22x+5\]

  12. anonymous
    • one year ago
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    So now we plug in 225 for y and solve for x. \[225=22x+5\]

  13. anonymous
    • one year ago
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    so... what would I put for the x?

  14. anonymous
    • one year ago
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    don't put anything for x. We have to solve the equation to find it.

  15. anonymous
    • one year ago
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    i agree with peachipi

  16. anonymous
    • one year ago
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    x is last

  17. anonymous
    • one year ago
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    ok.

  18. anonymous
    • one year ago
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    and whatever you do to one side you have to do to the other side

  19. anonymous
    • one year ago
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    so what should I do now?

  20. anonymous
    • one year ago
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    Subtract 5 from both sides |dw:1441296519676:dw|

  21. anonymous
    • one year ago
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    @peachpi sorry I had to go some where. 225-5=220 and then 5-5 equals 0.

  22. anonymous
    • one year ago
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    @peachpi so what would be the next step? oh and is my first one correct?^^

  23. anonymous
    • one year ago
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    divide both sides by 22

  24. anonymous
    • one year ago
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    22/22 equals 10.

  25. anonymous
    • one year ago
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    220*/22=10

  26. anonymous
    • one year ago
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    yes so x = 10 so the domain is \[0\le x \le10\]

  27. anonymous
    • one year ago
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    thank you!.

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