You can model the arch of the fireplace using the equation y =-1/9(x+18)(x-18) when x and y are measured in inches .the x-axis represents the floor .find the width of the arch at floor level

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?