The mapping represents all of the points on a graph.. What is the domain of the graph? Input
Output
10
15
20
25
30
→ 35
40
45

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.