Tina's salary increased upto 5 between 2001 and 2006.
What is Graph?
Graph is the pictorial representation of a mathematical relation, function in Cartesian or other mathematical plane.
Here in the given problem there is one graph in Cartesian Plane.
The graph shows the change in hourly wage of Tina with respect to year.
According to the graph,
Tina's hourly wage in 2001 is 5.50; in 2002 is 6.50; in 2003 is 7.00; in 2004 is 7.75; in 2005 is 8.50 and in 2006 is 10.50; in 2007 is 11.50.
Then the change in hourly wage of Tina in between 2001 and 2006 is = 10.50 - 5.50 = 5
Hence the change in hourly wage of Tina in between 2001 and 2006 is 5.
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