g(x) = x2 is not 1-1 since 1 6= 1 but ( 1)2 = 12. Horizontal Line Test: If every horizontal line intersects the graph of a function f in at most one point, the f is one-to-one.
Tunica is a town in Tunica County, Mississippi, near the Mississippi River. Until the early 1990s the town was one of the most impoverished places in the United States, semi-famous for the particularly deprived neighborhood known as Sugar Ditch Alley, named for the open sewer located there.
1 Tunica â Just north of Tunica on the Mississippi River are numerous casinos which are always open. They are about 45 miles north of Clarksdale.  Oxford is the home of Ole Miss, and seeing the university is worth the trip to Oxford. In addition, there are many fine restaurants, Square Books, and some good shopping.