help pls Use the polygon tool to graph the image of the triangle with vertices (3, 1) , (3, 4) , and (1, 4) when reflected across the y-axis.
Keyboard Instructions
Initial graph state
The horizontal axis goes from -8 to 8 with ticks spaced every 1 unit(s).
The vertical axis goes from -8 to 8 with ticks spaced every 1 unit(s).
Polygon with coordinates: (3, 1), (3, 4), (1, 4), (3, 1).