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anonymous

  • one year ago

Help with functions?

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  1. anonymous
    • one year ago
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    @ganeshie8 @uri

  2. anonymous
    • one year ago
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    The temperature of a chemical reaction ranges between 30°C and 70°C. The temperature is at its lowest point when t = 0 and completes one cycle over a six-hour period. What is a sine function that would model this reaction?

  3. anonymous
    • one year ago
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    @Preetha @SolomonZelman

  4. anonymous
    • one year ago
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    OH and here are the answers: f(t) = 20 sin 10t + 50 f(t) = 50 sin 10t + 20 f(t) = 50 sin π/5 t + 20 f(t) = 20 sin π/5 t + 50

  5. xapproachesinfinity
    • one year ago
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    oh you have answer choices good!

  6. xapproachesinfinity
    • one year ago
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    hmm i see the period has to be in radians

  7. anonymous
    • one year ago
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    Yesss

  8. xapproachesinfinity
    • one year ago
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    i would of think that the lowest degree is 30 but they give you 20 as the lowest somehow!

  9. xapproachesinfinity
    • one year ago
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    so A and D are not good options since t=0 give 50 which is not lowest degree as claimed!

  10. xapproachesinfinity
    • one year ago
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    you would have to convert 6 hour into radions to see what is could be each hour is 2pi radians hmm but then this does not give us what we wanted 12pi is no good

  11. anonymous
    • one year ago
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    Here's a sample problem similar to it, if that'll help.

  12. anonymous
    • one year ago
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    @undeadknight26 @sleepyjess

  13. anonymous
    • one year ago
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    @SolomonZelman

  14. xapproachesinfinity
    • one year ago
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    ok let's see at t=6 we have f(6)=70 50sin(6B)+20=70 sin(6b)=1 6b=pi/2 b=pi/12 didn't get that pi/5 there

  15. anonymous
    • one year ago
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    Okay..

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