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Destinyyyy

  • one year ago

Help with last problem..

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  1. Destinyyyy
    • one year ago
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  2. Destinyyyy
    • one year ago
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    f(10)- f(0)/ 10-0 = (1.5 square root 10 +28.6) - (1.5 square root 0 +28.6)/ 10-0 Is that correct? Average rate of change was a few units ago. Need a refresher

  3. Destinyyyy
    • one year ago
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    @Nnesha @phi

  4. anonymous
    • one year ago
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    yes

  5. Destinyyyy
    • one year ago
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    Okay. Next I get rid of the parenthesis and distribute the - correct?

  6. anonymous
    • one year ago
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    hmmm hold on

  7. anonymous
    • one year ago
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    i don't bout this one but i think so i cant be too sure tho

  8. ankit042
    • one year ago
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    = 1.5*sqrt(10)

  9. Destinyyyy
    • one year ago
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    ?

  10. phi
    • one year ago
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    yes, your idea is correct f(10)- f(0)/ 10-0 or \[ (1.5 \sqrt{10} + 28.6 - 1.5 \sqrt{0} - 28.6)/10 \] notice the constant 28.6 subtracts off also the term 1.5 sqr(0) is just 1.5*0 =0 so it simplifies to \[ 0.15 \sqrt{10}\] now use a calculator or type 0.15*sqrt(10)= into google and round the answer to the nearest 10th

  11. Destinyyyy
    • one year ago
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    It says .47

  12. Destinyyyy
    • one year ago
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    How did you get 0.15.. Shouldn't it stay as 1.5?

  13. Destinyyyy
    • one year ago
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    Final answer .5

  14. phi
    • one year ago
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    How did you get 0.15.. Shouldn't it stay as 1.5? the "bottom" is 10 remember? ( f(10) - f(0) )/ (10 -0) the top simplifies to \( 1.5\sqrt{10} \) but we divide that by 10

  15. Destinyyyy
    • one year ago
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    You put 0.15

  16. Destinyyyy
    • one year ago
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    I thought it was 1.5. But above you put 0.15

  17. phi
    • one year ago
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    yes \[ \frac{1.5\sqrt{10}}{10}= 0.15 \sqrt{10} \]

  18. Destinyyyy
    • one year ago
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    Ohh okay

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