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anonymous

  • one year ago

For the graph below, what should the domain be so that the function is at least 200? (4 points) alt= -5 ≤ x ≤ 20 0 ≤ x ≤ 15 x ≥ 0 all real numbers

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    At what two x-values is the y-value 200?

  3. anonymous
    • one year ago
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    -5 and 20

  4. anonymous
    • one year ago
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    -5 and 20 are where y is 0. Look at the dashed line where the 200 is. The parabola touches that line at 2 points. What are the x-coordinates of those points?

  5. anonymous
    • one year ago
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    (0,200) and (15,200)

  6. anonymous
    • one year ago
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    ????

  7. anonymous
    • one year ago
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    right, so your domain is 0 ≤ x ≤ 15

  8. anonymous
    • one year ago
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    thanks!

  9. anonymous
    • one year ago
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    yw

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spraguer (Moderator)
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