Determine whether the graph or equation is a function. State your reasoning

Step-by-step explanation:

basic definition of a function states that for every x (the input) there is only one y (output).

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i