Concern biodiesel, a fuel derived from renewable resources such as food crops, algae, and animal oils. The table shows the percent growth over the previous year in US biodiesel consumption.

(a) True or false: The annual US consumption of biodiesel grew exponentially from 2008 to 2010. Justify your answer without doing any calculations.

(b) According to this data, during what single year(s), if any, did the US consumption of biodiesel at least triple?

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2008 2009 2010 2011 2012 2013 2014 56.9 1.1 Year % growth -14.1 5.9 -19.3 240.8 1.0