Suppose that a company has fixed costs of 300 dollars and variable costs of 0.75x+1430 dollars per unit, where x is the number of units produced. Suppose further that the selling price of its product is 1600−0.3x dollars per unit. In each part, assume that the number of units produced/sold must be a whole number and round to the nearest one.

Emily works as a painter. for each job, it takesher 30 minutes to prepare an interior wall ofa house before she paints and 2 minutes persquare yard to paint that will. the graph belowshows the total time it would take her to do a job,based on the total area of the wallhow long does it take her to do a job when she paints a wall with an area of 15 square yards?