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14-08-2018
Mathematics

contestada

F(x)= -3x+7; reflection in the x-axis

Respuesta :

21-08-2018

The reflection of the point (x,y) across the x-axis is the point (x,-y) → (x, -f(x)).

Therefore

f(x) = -3x + 7 → -f(x) = -(-3x + 7) = 3x - 7

Answer: y = 3x - 7.

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