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Sketch a graph of

Ask by Mathis Weston. in the United States
Jan 26,2025

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Answer

To sketch the graph of , plot a horizontal line at from to with a closed circle at . Then, draw the line from just above to with an open circle at and a closed circle at . Finally, draw a horizontal line at from just after with an open circle at .

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Beyond the Answer

To sketch the graph of the piecewise function , we need to plot each piece according to its defined intervals.
  1. For , the function is constant at . So, we draw a horizontal line at for all values less than or equal to -1. At , the point is part of this line, so we use a closed dot to indicate that it is included.
  2. For , the function is linear, given by . This means that between the points (-1, -1) and (2, 2), we draw a diagonal line that passes through these coordinates. At , we use an open dot (since is not included in this interval), and at , we use a closed dot (since 2 is included in this interval).
  3. For , the function is constant at . Here, we draw a horizontal line at starting from the point (2, 1) and continuing to the right. At , we again use an open dot to signify that this value is not included, as it transitions from the linear piece to this constant piece.
After drawing these segments, we should have three distinct pieces on the graph, with the appropriate closed and open dots marking the boundaries.
So, if you visualize it, the graph consists of:
  • A horizontal line at from the left up to .
  • A line segment that rises diagonally from (-1, -1) to (2, 2).
  • A horizontal line at starting just to the right of .
This graph beautifully illustrates how the function behaves across different intervals!

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