This sequence of transformations on triangle MNO results in triangle M′NO′ via dilation by a scale factor of 2 over fraction 1.
We merely need to glance at the graph to determine the transformation that was used.
The initial figure is ΔMNO. Since the original graphic is huge, as you can already see, the conversion fraction must be decreased by the scale factor to produce the desired outcome. As a result, because the original figure was decreased, our response should be expanded by a scale factor of 1/2.
Now, if you pay great attention, you'll see that the vertical axis serves as a mirror, meaning that both figures are symmetrical about it. It denotes a reflection of the initial triangle on the vertical axis. So that's another modification. Therefore, option D here expresses both the y-axis reflection and the scale factor 1/2 dilation.
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