Which of the following is the equation for the graph shown?

y^2/4 - x^2/ 12 = 1

y^2/16 - x^2/12 = 1

x^2/4 - y^2/12 = 1

x^2/16 - y^2/12 = 1

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.