Mathematics, 05.05.2021 01:00 bbrid8590

We define x as a year between 2008 and 2013 and y as the total number of smartphones sold that year, in millions. The table shows values of x and corresponding y values.

Year ( x ) and number in smartphones in millions ( y ) .
2008 - 3.7
2009 - 17.3
2010 - 42.4
2011 - 90
2012 - 125
2013 - 153.2

How many smartphones were sold in 2009?

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