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College Algebra

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Hello, I have been trying to do my math homework for a few hours now and can not figure out how to find the indicated intersection or union in interval notation.

Example: (-1,5)n[0,8)

Please help me!!

  • College Algebra - ,

    Draw two number lines, one under the other

    (-1,5) extends from -1 to 5
    [0,8) extends from 0 to 8

    The intersection is just where the intervals overlap: [0,5)

  • College Algebra - ,

    Thank You Steve. Now I understand the intersection. Could you please explain the union now.

    Ecample: (-1,1)U[0,6]

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