The rental rate for a power washer has a one time fee of $50 plus $25 for each day of the rental. the graph shows points representing the total cost of the rental. a function graph of a ray with three points (0,50), (2,100) and (4, 150) with an x axis of zero to five days and a y axis of zero to one hundred seventy five in total cost which linear equation, in slope-intercept form, that models the total cost of the rental over time? a, y = 25x + 50 b, y = 25x c, y = 75x d, y = x + 50 c. y = 50x + 25