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.
Tunica is located at 34Â°41â²20â³N 90Â°22â²50â³Wï»¿ / ï»¿34.68889Â°N 90.38056Â°Wï»¿ / 34.68889; -90.38056 (34.688797, -90.380587). According to the United States Census Bureau, the town has a total area of 0.7 square miles (1.8 km 2), all land. It is about 20 miles (32 km) south of Downtown Memphis, Tennessee.