e) y = 3x + 1 f) {( -1, 3) (2, 4), (2, 8), (4, 6), (5,6)} D: D: R: R: Function? Function? g) D: R: Function? A real number can be represented by a position on a number line. The absolute value of such a number is the positive distance between the origin and the number. For example, |-3) =3, 17)=17, etc. Therefore, x) is the distance, undirected, from x to 0. 2. Evaluate: a) --10|+5/6-9 b) 18 -9_ 1 34-9 -6-8 -5 -7