Answer:
the gradient of the blue line is 3.
Step-by-step explanation:
Picking points (-3,5) and (0,-4) from the graph and using the gradient formula written below, we will find the gradient of the blue line.
[tex]\frac{y2-y1}{x2-x1}[/tex]
[tex]\frac{5+4}{0+3}[/tex]
[tex]\frac{9}{3}[/tex]
[tex]3[/tex]
