Kylie lays bricks for a living. to model her daily income, she writes the equation y = 100 + 0.5x, where x represents the number of bricks laid that day. what does the x coefficient represent in this situation? a) there is not a coefficient on the x. b) kylie's daily income will decrease as she lays bricks since 0.5 < 1. c) kylie will increase her daily income by $0.50 for each brick she lays. d) kylie will make a base income of $100, no matter how many bricks she lays.