21 4 pts The number of online retail orders in California was growing at the rate of f (t) = 0.47e0.0192 for 0t6 in million orders/year between 2014 (t-0) and 2020 (t-6). How many orders were there in 2018 (rounded to the nearest 1/10 million)? Answer not listed. 26.4 million 0.5 million 0.6 million O29.6 million