when solving the question is there anything I need to keep in mind as well as how to do it please

3. Sketch the reflection of the following image over the y -axis and explain why the rule (x, y) - (-x, y) applies to this transformation. -10-9 -8 -7-6-5 -4 -3 -2 . ( 4.-3) ( 8 , 4 ) 4. Edgar argues that reflecting the following image over the x -axis and then over t line y = x is the same as reflecting the same image over the line y = -x. Prove whether Edgar is correct or not. -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 3 4 5 6 7 8 9 10 do do is in in bo is is