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lyzzy7

  • 3 years ago

Is the following relation a function? {(0.3, 0.6), (0.4, 0.8), (0.3, 0.7), (0.5, 0.5)}

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  1. surdawi
    • 3 years ago
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    no because 0.3 is repeated

  2. surdawi
    • 3 years ago
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    is that the next question Sound travels about 343 meters per second. The function d(t) = 343t gives the distance d(t) in meters that sound travels in t seconds. How far does sound travel in 8 seconds? A.)343 meters B.)686 meters C.)2,744 meters D.)3,430 meters For this problem would i just have to multiply 343 by 8 ?

  3. lyzzy7
    • 3 years ago
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    a. yes b. no c. not determined and yes to your question.

  4. surdawi
    • 3 years ago
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    b. no its not a function for the 2nd one d(t) = 343t plug in 8 for t

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