Gabriel earns $11.25 per hour at his job. He also receives a bonus of $20 each week if he arrives on time for each of his shifts. Assuming Gabriel is always on time, and x is the number of hours he works, which rule for f(x) models his weekly paycheck? f(x)=20x+11.25 f(x)=31.25x f(x)=11.25x f(x)=11.25x+20