Please Explain!!!!!!!!

Answer:
Step-by-step explanation:
You are flipping it across the Y-axis to you just flip it to the left if i am correct
Answer:
Formula of reflection the y axis is
P(x,y)→P'(-x,y)
Now
By using formula
E(1,3)=E'(-1,3)
F(1,0)=F'(-1,0)
P(4,2)=P'(-4,2)
R(2,0)=R'(-2,0)
Step-by-step explanation: