I hope this helps you
A) x=6 y=3 3=6-4 3=2 false
B) x=4 y=0 0=4-4 0=0 true
C) x=3 y=-1 -1=3-4 -1=-1 true
D) x=2 y =-4 -4=2-4 -4=-2 false
Step-by-step explanation:

<em>Answer:</em>
<em>x = 3</em>
<em>Step-by-step explanation:</em>
<em>Hi there ! </em>
<em>0 = - 2x + 6</em>
<em>2x = 6</em>
<em>x = 6 : 2</em>
<em>x = 3</em>
<em>Good luck !</em>
Answer:
Yes
Step-by-step explanation:
Yes it is a function, because graph is intersecting y - axis only once.