Give the domain and range of the relation. X 4 5 0 6 Y 8 13 0 8 a) D: {6, 4, 5); R: {8, 8, 13) Ob) D: {6, 0, 4, 5); R: (8,0, 8, 13; c) D:4, 5, 6, 8, 13, 8); R: {0} d) D: (8,0, 8, 13); R: (6,0,4,5) please help me I am on a time test

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )