Answer:
$8.50
Step-by-step explanation:
Given the function f(h) that describes the total dollar amount Tomas earns, based on the number of hours he works:

When h=1, f(1)=250+8.5(1)=$258.5
When h=2, f(2)=250+8.5(2)=$267
Now:

It means therefore that for every additional hour, Tomas earns $8.5.
The hourly wage Tomas earns is $8.5.
Now,