Question

20 points please and thank you

Answer 1

Look at the picture.

The slope-intercept form: y = mx + b

m - slope

b - y-intercept

We have:

$b=-4$

$m=\dfrac{\Delta y}{\Delta x}\to m=\dfrac{+1}{+1}=1$

Substitute:

$y=1x-4=x-4$