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.
Head south if you want to pay less in property taxes. The median is only $216 a year in Tunica County, Mississippi. Yes, you read that right -- $13,626 less than what residents paid in Westchester County, New York. But Mississippi isn't the state with the most counties on the least expensive top 10 list.