In 2010 online sales were $194 billion, and in 2013 they were $242 billion (a) Find a linear function S that models these data, where S is the sales in billions of dollars and x is the year Write S(x) in slope-intercept form
(b) Interpret the slope of the graph of S.
(c) Determine when online sales were $226 billion

(a) Write S(x) in slope ntercept form S(x) = ___

(b) Interpret the slope of the graph of S Choose the correct answer below.
A. Sales decreased on average by $16 billiontyr
B. Sales increased on average by $16 billiondyr C. Sales increased by $16 billion in next 3 years D. Sales decreased by $16 billion in next 3 years

(c) Online sales were $226 billion in the year___