The percentage of patients P who have survived t years after initial diagnosis of a certain disease is modeled by the function P(t) = 100(0.2) . (a) According to the model, what percent of patients survive 1 year after initial diagnosis? (b) What percent of patients survive 3 years after initial diagnosis? ch (c) Explain the meaning of the base 0.2 in the context of this problem. (a) According to the model, % of patients survive 1 year after initial diagnosis. mr (Type an integer or a decimal.)