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vera_ewing

  • one year ago

Math question

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  1. vera_ewing
    • one year ago
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    @welshfella It's B right?

  2. Michele_Laino
    • one year ago
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    here, we have to evaluate the subsequent ratio: \[\frac{{L\left( 4 \right) - L\left( 0 \right)}}{{4 - 0}}\] for each of yours function, namely when L stands for: f(x), g(x) and h(x)

  3. Michele_Laino
    • one year ago
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    for example, if we consider the function f(x), then the above ratio is: \[\frac{{f\left( 4 \right) - f\left( 0 \right)}}{{4 - 0}} = \frac{{64 - 0}}{{4 - 0}} = ...?\] please complete

  4. vera_ewing
    • one year ago
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    64/4=16

  5. Michele_Laino
    • one year ago
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    ok!

  6. Michele_Laino
    • one year ago
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    please wait, we have to evaluate the same ratio for function h(x) and g(x)

  7. Michele_Laino
    • one year ago
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    now if we consider the function g(x), we get: \[\frac{{g\left( 4 \right) - g\left( 0 \right)}}{{4 - 0}} = \frac{{ - 3 - 1}}{{4 - 0}} = ...?\]

  8. vera_ewing
    • one year ago
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    -4/4 = -1

  9. Michele_Laino
    • one year ago
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    ok! Now we have to consider the function h(x)

  10. Michele_Laino
    • one year ago
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    so we can write: \[\frac{{h\left( 4 \right) - h\left( 0 \right)}}{{4 - 0}} = \frac{{\left\{ {{{\left( {4 + 4} \right)}^2} + 2} \right\} - \left\{ {{{\left( {0 + 4} \right)}^2} + 2} \right\}}}{{4 - 0}} = ...?\]

  11. Michele_Laino
    • one year ago
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    66-18=48

  12. vera_ewing
    • one year ago
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    48/4 = 12

  13. Michele_Laino
    • one year ago
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    ok!

  14. Michele_Laino
    • one year ago
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    so reassuming we have: function rate f(x) 16 g(x) -1 h(x) 12 what can you conclude?

  15. vera_ewing
    • one year ago
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    The order from least to greatest is g(x), h(x), f(x)

  16. Michele_Laino
    • one year ago
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    yes! correct!

  17. vera_ewing
    • one year ago
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    Thank you Michele :)

  18. Michele_Laino
    • one year ago
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    :)

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