for an expression or relation to be a function, it must not have any x-coordinate values repeated, let's check this one

X= -10
You may review the image Ive attached to see how I got this answer.
Step-by-step explanation:
(5 – 5i) . (-3+5i)
=-15+25i+15i-25i²
=-25i²40i-15
Answer:
wouldn't it be 3 kilometers because 3 this way plus 3 that way = 6 away from each other?