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torii897

  • one year ago

PLEASE HELP! A set of numbers is shown below: {0, 0.8, 1, 3, 6} Which of the following shows all the numbers from the set that make the inequality 7x + 1 ≥ 8 true? A: {1, 3, 6} B:{3, 6} C: {0, 0.8, 1} D:{0, 0.8}

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  1. torii897
    • one year ago
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    @Astrophysics please help

  2. Astrophysics
    • one year ago
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    Plug in the numbers you're given in the set of numbers for x, and if the left side is indeed > or = to 8 then that's part of the set.

  3. torii897
    • one year ago
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    I don't get it?

  4. Astrophysics
    • one year ago
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    For example, I'll do the first one for you, you are given the set {0, 0.8, 1, 3, 6} and you have your inequality, so lets take 0, and plug it in for x in the inequality \[7(0)+1 \ge 8 \implies 1 \ge 8\] so this is not true, therefore it's not in your set and we can knock off two of the answers from your choices.

  5. torii897
    • one year ago
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    so its A or B

  6. torii897
    • one year ago
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    @Astrophysics

  7. Astrophysics
    • one year ago
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    Yeah..so do what I asked you to

  8. BearKolch
    • one year ago
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    A

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