(10) 2. A biochemist is studying the growth of recently discovered bacteria. She collects the data shown. Day Mass (g) 1 3.2 2 4.6 3 5.4 4 4.2 5 5.5 6 7.1 8 8 9.2 (a) Use cubic regression to determine the equation of the curve of best fit for the data. (b) Sketch the graph Cubic Function: (c) Use the equation to estimate the mass of the bacteria on Day 11. (d) Use the graph to estimate what day the mass of the bacteria will be 5g. (There could be multiple answers)