I need help with number 15 please guys

Answer:
[tex]\large\boxeD{\dfrac{7}{2}}[/tex]
Step-by-step explanation:
From the graph wie have the points (-2, -4) and (0, 3).
The formula of a slope:
[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
Substitute:
[tex]m=\dfrac{3-(-4)}{0-(-2)}=\dfrac{7}{2}[/tex]