I’ve been waiting for this answer for like 2 hours for this please! Please I will mark brainiest! Im asking this again! Please help me! I need this answer I can’t find this answer anywhere

Step-by-step explanation:

so the graph said 7,8,9 and then the cost of the books and so if you put lets say 7 books are 28 dollars and 8 books is 32 dollars and then 9 is 36 basically it is asking which is the better deal that you would buy its all the same you would save basically 4 dollars cause it is a 4 dollar difference so it would be just all the same price

(8,-2)

Explanation:

you reflect it over the x-axis