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anonymous

  • one year ago

The scatter plot below shows the relationship between the diameter (x), in mm, and mass f(x), in grams, of a berry:

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  1. anonymous
    • one year ago
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    Which of the following functions is best represented by the scatter plot? f(x) = −0.4 + 4x f(x) = 0.4 − 4x f(x) = 4 − 0.4x f(x) = −4 + 0.4x

  2. welshfella
    • one year ago
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    The slope is positive (/) Which means that the coefficient of x is positive So which rules out 2 options Which ones?

  3. anonymous
    • one year ago
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    B and C

  4. welshfella
    • one year ago
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    Right

  5. anonymous
    • one year ago
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    I put D as my answer 1 dont know if thats right...

  6. welshfella
    • one year ago
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    Try plugging in different values of x and f(x) and see if they fit

  7. anonymous
    • one year ago
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    yup

  8. anonymous
    • one year ago
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    can you help me with one more?

  9. anonymous
    • one year ago
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    A glass cylinder is completely filled with 50p4q2 cubic inches of salt solution. The jug has a base area of 10pq square inches. The height of the jug, in inches, is represented by the expression The quantity of 50 p to the fourth q squared all over 10 p q. Which of the following simplified expressions represents the height of the jug in inches? 5p^3q 5p^4q^2 5p^5q^3 40p^3q

  10. welshfella
    • one year ago
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    Ok X = 12 when f(x) the mass of the Berry) = 0.8

  11. anonymous
    • one year ago
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  12. welshfella
    • one year ago
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    Try D Fx = 0.8 The = -4+0.4*12 = 0.8 It fits So D is correct

  13. welshfella
    • one year ago
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    Sorry I gotta go right now

  14. anonymous
    • one year ago
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    okay

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