Step-by-step explanation:
using the graph, we can see that the line goes through points
(0, 5) and (3, -1)
this is all we need
[tex]y = mx + b\\ m = \frac{y_2-y_1}{x_2-x_1} = \frac{5-(-1)}{0-3} = -2[/tex]
[tex]y = mx + b\\5 = -2(0) + b\\b = 5\\y = -2x + 5[/tex]
