Lukecrayonz
  • Lukecrayonz
Graphs
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
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Lukecrayonz
  • Lukecrayonz
mathstudent55
  • mathstudent55
Which graphs have the point (-2, -7)?
anonymous
  • anonymous
Just a thought... A closed circle means that that value is included in the solution set. An open circle means that that value is not included or not equal to.

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Lukecrayonz
  • Lukecrayonz
@mathstudent55 A & D?
mathstudent55
  • mathstudent55
Correct, so you can eliminate B and C.
mathstudent55
  • mathstudent55
Now to choose between A and D, look at the part \(f(x) = x^2 - 1\) for \(x \ne -2 \). Since there is an x squared, it is a parabola. This parabola has an undefined value at x = -2. Which graph A or D, has an open circle at x = -2 in the parabola? That's your answer.

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