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Determine if each graph is or is not a function, then find the Domain using both interval notation and...

Determine if each graph is or is not a function, then find the Domain using both interval notation and inequalities.
1) Function? Domain as an inequality Domain as interval notation

Answer

  1. Function? Yes, the graph represents a function because it passes the vertical line test (no vertical line intersects the graph at more than one point).

  2. Domain as an inequality: -1 ≤ x < ∞

  3. Domain as interval notation: [-1, ∞)

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