Question 135630
the number N, in millions, of hearing imparied individual of age X can be approximated by N(x) = -0.00006x^3+0.006x^2-0.1x+1.8. Approximate to the nearest million the number of hearing impaired individuals of ages 25 and 50
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I get negative numbers for N(25) and for N(50)
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Cheers,
Stan H.