The translation 3 units right then a reflection across x-axis will map triangle ABC onto triangle DEF.
What is translation and reflection of an image?
Translation of an image indicates the horizontal or vertical movement of that image.
Reflection of an image indicates the mirror-image of the given image along with a fixed line.
Here, when we translating the triangle ABC to the right by 3 units, then point A will be at (2, 6), point B will be at (2, 3) and point C will be at (4, 3.).
Now, after reflecting the triangle ABC, we get the triangle DEF.
Learn more about translation and reflection of an image here: https://brainly.com/question/27387076
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