The hourly wage increase each employee receives each year depends on their number of years of service. every three years of service means an increase of $0.50 per hour. so, employees that have been with the company for less than three years can expect to receive an increase of $0.50 per hour. employees that have been with the company for at least three years, but less than six years can expect an increase of $1.00. employees that have been with the company for at six years, but less than nine years, receive an increase of $1.50 per hour. and, employees of at least nine years, but less than twelve years receive an increase of $2.00. write a function to represent this scenario.

which graph represents this wage increase for x < 12?