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In which operation are intervals horizontally mirrored?

User Skyshine
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Final answer:

The operation that involves horizontally mirroring intervals in mathematics is called the reflection.

Step-by-step explanation:

Reflection is a transformation that flips a figure over a line called the line of reflection. When a figure is reflected over a horizontal line, the x-coordinates of corresponding points remain the same, but the y-coordinates change sign, effectively mirroring the figure horizontally.

For example, if we have the interval [1, 5] and reflect it over the x-axis, we would get the interval [-5, -1], which is the horizontally mirrored version of the original interval.

User TheMethod
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