A company pays $14 per hour for up to 8 hours of work, and $21 per hour for overtime hours (hours beyond 8 hours). For up to 8 hours worked, the equation for total pay (y) for hours worked (x) is y = 14x. For over 8 hours worked, what is the equation for total pay (y) as a function of total hours worked (x)?

y = 112 +