Can you write it out and send a picture?
Reflection about the y-axis is according to the rule
(x,y)->(-x,y)
Therefore F(x,y) -> F'(-x,y)
The distance between F' and F is (-x,y)-(x,y)=-2x, or the positive distance is 2x.
Answer:
-4 and 10
Step-by-step explanation:
let me know if this is incorrect