Solve the problem.Crafty Bill's Cool Car Sales opened as a used car sales lot in 1991. The graph shows the number of cars sold as a function of time. Is this the graph of a function? What is the domain?

A. Not a function; Domain: [2005, 2011]
B. Function; Domain: [2005, 2011]
C. Not a function; Domain: [2007, 2011]
D. Function; Domain: [2007, 2011]


Answer: D

Mathematics

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