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.
The biggest attraction outside the city of Memphis lies about 30 miles south in Tunica, Mississippi. This small town has been converted to a gambling center with casinos, hotels and entertainment. Tupelo, Mississippi, about 100 miles south east of Memphis, is the birthplace of Elvis Presley. You can visit his humble childhood home. Henning, Tennessee, about 50 miles north of Memphis, is the birthplace and early home of Alex Haley, author of Roots.