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itsmichelle29

  • one year ago

The frog population at a lake doubles every week. The population can be modeled by f(x) = 15(2)x and f(6) = 960. What does the 6 represent? The population after six weeks The starting population The rate the population increases The number of weeks that have passed

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  1. jim_thompson5910
    • one year ago
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    Which one do you think it is? and why

  2. itsmichelle29
    • one year ago
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    D

  3. jim_thompson5910
    • one year ago
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    why is that?

  4. itsmichelle29
    • one year ago
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    IDK

  5. itsmichelle29
    • one year ago
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    can u help me

  6. jim_thompson5910
    • one year ago
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    what does f(x) represent?

  7. itsmichelle29
    • one year ago
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    population

  8. jim_thompson5910
    • one year ago
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    yes

  9. jim_thompson5910
    • one year ago
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    so what would x represent?

  10. itsmichelle29
    • one year ago
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    A or D

  11. jim_thompson5910
    • one year ago
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    forget about the answer choices right now

  12. jim_thompson5910
    • one year ago
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    what would x represent? what does x = 1 mean?

  13. itsmichelle29
    • one year ago
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    like how fast

  14. jim_thompson5910
    • one year ago
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    how fast in what time period? days? months? years?

  15. itsmichelle29
    • one year ago
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    week

  16. jim_thompson5910
    • one year ago
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    yep, x represents the number of weeks

  17. jim_thompson5910
    • one year ago
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    x = 1 means 1 week x = 6 means 6 weeks etc

  18. jim_thompson5910
    • one year ago
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    |dw:1437348918764:dw|

  19. jim_thompson5910
    • one year ago
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    what is happening is that every x is replaced by 6 |dw:1437348955679:dw|

  20. jim_thompson5910
    • one year ago
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    then 15*(2)^6 is computed to get 960 that is why f(6) = 960

  21. jim_thompson5910
    • one year ago
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    f(6) = 960 means "when it is 6 weeks, the population will be 960"

  22. itsmichelle29
    • one year ago
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    so D

  23. itsmichelle29
    • one year ago
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    @jim_thompson5910

  24. jim_thompson5910
    • one year ago
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    yes, the number of weeks

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