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anonymous

  • one year ago

David tracks his calories burned while training for a meet. The number of calories he burns is expressed by the function c(t) = 704t, where t is the number of hours spent swimming. To burn more calories, David wears flippers while he swims. The number of calories he burns while wearing flippers is expressed by the function b(c) = 1.3c, where c is the number of calories burned while swimming without flippers. Which of the following composite functions expresses the calories, as a function of time, David burns while swimming with flippers?

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  1. anonymous
    • one year ago
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    b[c(t)] = 915.2t b[c(t)] = 705.3t c[b(t)] = 915.2t c[b(t)] = 705.3t

  2. anonymous
    • one year ago
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    what level of math is this?

  3. anonymous
    • one year ago
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    Algebra 1

  4. anonymous
    • one year ago
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    hmm

  5. anonymous
    • one year ago
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    Do you know how to solve this?

  6. anonymous
    • one year ago
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    no im sorry

  7. anonymous
    • one year ago
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    Oh okay

  8. anonymous
    • one year ago
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    @Teddyiswatshecallsme

  9. anonymous
    • one year ago
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    @Hero

  10. anonymous
    • one year ago
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    @heretohelpalways

  11. anonymous
    • one year ago
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    @Nnesha

  12. anonymous
    • one year ago
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    :(

  13. anonymous
    • one year ago
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    @freckles

  14. anonymous
    • one year ago
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    If c(t)=704t, then what does c equals?

  15. anonymous
    • one year ago
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    The calories burned

  16. anonymous
    • one year ago
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    yes, but what is it equals in terms of value(number)

  17. anonymous
    • one year ago
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    704

  18. anonymous
    • one year ago
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    Yes that is correct. And since b(c)=1.3c b is 1.3 also

  19. anonymous
    • one year ago
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    We would get 915.2t, right?

  20. anonymous
    • one year ago
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    Using both of this, b[c(t)] =? c[b(t)] =? Tell me what you get.

  21. anonymous
    • one year ago
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    Yes 915.2t Since it says calories as function of time, it means calories and time are related and depend on each other. c(t)=704t, so the more time, the more calories burnt, therefore it is b[c(t)]=915.2t

  22. anonymous
    • one year ago
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    Thank you!!

  23. anonymous
    • one year ago
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    Yea, no problem!

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