1) Given that t =-12 let's plug into that expression the value for t
2) Now let's plug into that and solve it.
-3|t-8| +1.5 Applying the absolute value property
-3|t -8| +1.5 Plug into that t=-12
-3|-12 -8| +1.5
-3|-20| +1.5
-3*20 +1.5
-60 +1.5
-58.5
