All points of the step function f(x) are graphed
What is the domain of f(x)?
+
{x{-4 {x1–3 < x 54
{x|1 < x 54}
{x| 2 < x 54
+
+
+
5
4
3
+
1
+
5
-
+
2
-1.1
3
4
X

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.