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  3. 14 23 points previous answers tanapcalc9 61074 my notes...

Question: 14 23 points previous answers tanapcalc9 61074 my notes...

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14. 2/3 points | Previous Answers TanApCalc9 6.1.074 My Notes Ask Your Teacher The rate at which the risk of Down syndrome is changing is approximated by the function rx)0.004641x 0.3012x +4.9 (20 s x š 45) where r(x) is measured in percentage of all births per year and x is the matemal age at delivery (a) Find a function f giving the risk as a percentage of all births when the maternal age at delivery is x years, given that the risk of Down syndrome at age 30 is 0.14% of all births. f(x)-53.089X (b) Based on this model, what is the risk of Down syndrome when the matemal age at delivery is 37 years? 39 years? (Round your answers to tvo decimal places.) 37 years 0.40 39 years 0.71 Need Help? Talk to a Tutor Submit Answer

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