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cocoapeebles3

  • one year ago

what is the minimum of the function f(x) = 3 sin(x − π) + 4

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  1. cocoapeebles3
    • one year ago
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    I'll fan and medal

  2. tkhunny
    • one year ago
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    Where is the sine function at its minimum?

  3. cocoapeebles3
    • one year ago
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    I don't know remember how to get the minimum in the first place

  4. tkhunny
    • one year ago
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    You do not need to remember how to get it. You just need to remember where it is. Think on a Unit Circle. What is the maximum vertical displacement?

  5. misty1212
    • one year ago
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    HI!!

  6. misty1212
    • one year ago
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    do you know the range of sine?

  7. cocoapeebles3
    • one year ago
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    isn't the minimum the lowest part that the function reaches on a graph?

  8. tkhunny
    • one year ago
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    ...and where does the sine function do that?

  9. misty1212
    • one year ago
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    yes, but lets take it step by step now worry about all that muck you are looking at find the range of sine (if you do not know it, look it up with a quick google search)

  10. cocoapeebles3
    • one year ago
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    -1 and 1

  11. misty1212
    • one year ago
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    ok so the minimum is ?

  12. cocoapeebles3
    • one year ago
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    between those 2 numbers?

  13. misty1212
    • one year ago
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    no dear, the minimum is the smallest

  14. cocoapeebles3
    • one year ago
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    okay

  15. misty1212
    • one year ago
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    so if the range is \([-1,1]\) what is the minimum?

  16. cocoapeebles3
    • one year ago
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    I graphed it and I think it's 1

  17. tkhunny
    • one year ago
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    Up is usually greater. Down is usually lesser.

  18. cocoapeebles3
    • one year ago
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    so it isn't 1?

  19. tkhunny
    • one year ago
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    Do you honestly believe that is the lowest point of the graph? Are you sure 0 isn't less than 1? Maybe -1 might be still less?

  20. cocoapeebles3
    • one year ago
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    Umm I chose 1 as the answer and I got it right so....

  21. tkhunny
    • one year ago
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    It does help if you show your work. You were asked question by two people and it only becomes clear now that you were answering neither. Next time, actually answer the questions you are presented. It will help quite a bit.

  22. cocoapeebles3
    • one year ago
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    I did I answered what the range of sine was and then I said I tried graphing it and I got 1 as the minimum but I don't know how to screenshot on my computer

  23. freckles
    • one year ago
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    I think you were looking at y=3sin(x-pi)+4 when they were asking you about y=sin(x) instead @cocoapeebles3 and yes the min of y=sin(x) is -1 so the min of y=3sin(x-pi)+4 is 3(-1)+4

  24. tkhunny
    • one year ago
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    We were going one piece at a time. You jumped to the end and didn't tell us you did that. Just answer the questions, next time.

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