The function P(a)= -1.32a² + 47.59a+ 4961.3 represents the population (in thousands) of residents in a certain country that are a years of age. (a) Identify the dependent and independent variables. (b) Evaluate P(50). Provide a verbal explanation of the meaning. (c) Evaluate P(0). Provide a verbal explanation of the meaning. Provide a verbal explanation of the meaning of P(50). Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer.) OA. P(50) means there are people that are 50 years of age. O B. P(50) means there are 50 people that are years of age.

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