The graph below shows that the rate of haircuts given at a barbershop throughout the day is 11 haircuts every 4 hours.





Another barber is hired, and the number of haircuts given is increased by 1 every 4 hours. What is the slope of the line after the new barber is hired?

A
412

B
511

C
115

D
124

The graph below shows that the rate of haircuts given at a barbershop throughout the day is 11 haircuts every 4 hours Another barber is hired and the number of class=