[tex]-0.4[/tex]
1) Evaluate means to find a corresponding value given another one.
2) So, we can plug into that and find the value:
[tex]\begin{gathered} 3d-4 \\ 3\left(1.2\right?-4 \\ 3.6-4 \\ -0.4 \end{gathered}[/tex]
Note that the corresponding value for d=1.2 in this model is:
[tex]-0.4[/tex]
