Can some one pls help me? I will fan and medal! And I like need help aASAP with this question.

Question

anonymous · Answer

Keira created color panels for a wall using a mix of only red and blue paints. She plotted the quantities of red and blue paints used for each mix and connected them using a line segment, as shown in the graph below:

Which statement best describes the domain of the function represented in the graph?

 3 ≤ x ≤ 12 or x is between 3 and 12, inclusive
 3 ≤ x ≤ 7 or x is between 3 and 7, inclusive 
2 ≤ x ≤ 12 or x is between 2 and 12, inclusive
 2 ≤ x ≤ 7 or x is between 2 and 7, inclusive

anonymous · Answer

domain is the x-values which would be on the x-axis or the blue values. can you now tell me which answer only includes blue answers?

anonymous · Answer

is it B?

anonymous · Answer

yes! I believe that is the answer