# The number of Americans age 65 or older can be modeled asn(x)0.00082x3 0.059x2 0.183x + 34.42where output is measured in million people and x is the number of years since 2000, projections through 2050.t(a) What is the projected number of Americans 65 years of age and older in 2011? in 2040? (Round your answers to three decimal places.)million peoplemillion people20112040(b) What is the rate of change of the projected number in 2011? in 2040? (Round your answers to three decimal places.)million people per year2011million people per year2040(c) Calculate the percentage rate of change in the projected number in 2040. (Round your answer to two decimal places.)% per year

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