The function Upper P left parenthesis y right parenthesis equals 0.037 y squared minus 2.504 y plus 288.370P(y)=0.037y22.504y+288.370 represents the population P (in millions) of people in 2005 that were y years of age or older. Question content area bottom Part 1 (a) Identify the dependent and independent variable. The dependent variable is P and the independent variable is y. Your answer is correct. The dependent variable is y and the independent variable is P. Part 2 (b) Evaluate Upper P left parenthesis 30 right parenthesis .P(30). Upper P left parenthesis 30 right parenthesis equalsP(30)=246.550246.550(Round to three decimal places as needed.) Part 3 Choose the answer below that explains the meaning of Upper P left parenthesis 30 right parenthesis .P(30). The value of Upper P left parenthesis 30 right parenthesisP(30) is equal to the number of people (in millions) A. who were 3030 years of age in 2005. B. born in 20352035. C. who were 3030 years of age or older in 2005. Your answer is correct.D. in 20352035. Part 4 (c) Evaluate Upper P left parenthesis 0 right parenthesis .P(0). Upper P left parenthesis 0 right parenthesisP(0)equals=288.370288.370(Round to three decimal places as needed.) Part 5 Choose the answer below that explains the meaning of Upper P left parenthesis 0 right parenthesis .P(0). The value of Upper P left parenthesis 0 right parenthesisP(0) is equal to the number of people (in millions) A. born in 2005. B. in 2004. C. in 2005. D. who were 0 years of age or older in 2004