Which number line represents the graph of x ≤ 0?

It's described in the explanation

Step-by-step explanation:

Your picture only shows one number line that isn't correct.

The number line that is correct has a filled in dot and is pointing to the left.

The dot is filled in because the inequality is less than or equal to

Since it is less than, the arrow points to the left

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )