1. Use MATLAB to graph the following equations on one figureover the following range of x: -1 ≤ x ≤ 1. Put all plot commands inthe m-file.

Please use the following formatting instructions.
• Draw the graph of y1 using a solid blue line, draw the graphof y2 using a dashed red line, and draw the graph of y3 using adashed green line.
• Create a legend to indicate which curve is which.
• Be sure to label your axes and a title.
• Use enough points (i.e. adjust your range of x values) so yourgraphs look
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