practice analyzing step functions. the graph shows the average shoe size for a baby or toddler as a function…

practice analyzing step functions. the graph shows the average shoe size for a baby or toddler as a function of age in months. what shoe size would be recommended for a four - month - old baby? shoe size:
Answer
Explanation:
Step1: Locate x - value on graph
Locate x = 4 on the age - axis.
Step2: Determine corresponding y - value
Since 3 < 4 < 6, the corresponding y - value (shoe size) is 1.
Answer:
1