The answer is B.
Step-by-step explanation:
The answer is B, because if you have a vertical line, it is undefined. And also, it is on the x-axis, therefore it would be x = 4.
Answer
b. x=4, undefined
the x value constantly stays at 4 because it’s a straight vertical line. there’s no slope because it’s straight up and down.
2
step-by-2step explanation:
180
step-by-step explanation: