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Rubie

  • 3 years ago

Input: 0 1 2 3 Output: 5.5 4.2 3.2 2.2 What's the relationship ?

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  1. Rubie
    • 3 years ago
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    @AccessDenied can u help me please ?

  2. ASAAD123
    • 3 years ago
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    when Input increase, output will decrease.

  3. nubeer
    • 3 years ago
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    ya seems like linearly decreasing.

  4. cinar
    • 3 years ago
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    it is not linear..

  5. ASAAD123
    • 3 years ago
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    output=-1.3(input)+5.5

  6. ASAAD123
    • 3 years ago
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    linear decreasing

  7. ASAAD123
    • 3 years ago
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    yes

  8. nubeer
    • 3 years ago
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    @cinar it looks linear decreasing , if one value is a lil diff doesnt mean its not linear.

  9. ASAAD123
    • 3 years ago
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    no for first two values

  10. Skaematik
    • 3 years ago
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    There is no formula available. It is not an arithmetric progression because the distance between values is not constant It is not a geometric progression between the ratio of consecutive values is not constant

  11. cinar
    • 3 years ago
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    y=-0.05x^3+0.3x^2-1.55x+5.5

  12. nubeer
    • 3 years ago
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    it's a smiple question .. why making so much complicated.

  13. nubeer
    • 3 years ago
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    why .. doesn't it look linear?

  14. cinar
    • 3 years ago
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    assume that f(x)=ax^3+bx^2+cx+d f(0)=5.5=d f(1)=a+b+c+5.5=4.2 f(2)=8a+4b+2c+5.5=3.2 f(3)=27a+9b+3c+5.5=2.2

  15. cinar
    • 3 years ago
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    a+b+c=-1.3 8a+4b+2c=-2.3 27a+9b+3c=-3.3 after solve this eq. system you'll get a,b,c coeff.

  16. cinar
    • 3 years ago
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