The reflection over the y-axis only changes the sign of the x-component so the reflected point is A' (-3, -1)
Here we can't see the options, so I will teach you how to reflect any point over the y-axis.
Any point on the X-Y plane is defined by its coordinates (x, y).
If we reflect this point over the y-plane, we only change the sign of the x-component of the point.
So after the reflection, we get the point (-x, y).
Then if we apply that reflection to point A (3, -1). We will get the reflected point:
A' (-3, -1)
If you want to learn more about reflections:
https://brainly.com/question/4289712
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