Suppose the number of new people getting a particular disease can be modeled by the function P(t) , whose graph is given below. t is measured in days since the disease was first reported. f 0 2 4 6 5101214161820222426 (a) Estimate P(5) : (b) Estimate P(20) Pa) = (c) Estimate P 20 'P5 = 20 6