Question

which one below describe the range of costs for public 4 - year colleges (dashed) and the range of costs for private 4 - year colleges (solid)
show your work here
public 4 years colleges:0 < y < 20000
private 4 years colleges:
public 4 years colleges : 2500
private 4 years colleges : 8000 ≤ x ≤ 35
public 4 years colleges : 2500 ≤ y ≤ 10000
private 4 years colleges : 8000 ≤ y ≤ 33000
public 4 years colleges : 0 ≤ y ≤ 10000
private 4 years colleges : 5000 ≤ y ≤ 33000

Explanation:

Step1: Analyze the graph for public 4 - year colleges

The lowest value of tuition and fees for public 4 - year colleges (dashed line) appears to be around $2500$ and the highest around $10000$.

Step2: Analyze the graph for private 4 - year colleges

The lowest value of tuition and fees for private 4 - year colleges (solid line) appears to be around $8000$ and the highest around $33000$.

Answer:

Public 4 years colleges : $2500\leq y\leq10000$
Private 4 years colleges : $8000\leq y\leq33000$