N= -0.00006x^3 + 0.006x^2 - 0.1x +1.5?

Question

The number N, in millions, of hearing impaired individuals of age x can be approx. by (the problem above)

Approx to the the nearest million the number of hearing imparied individuals of ages 30 and 45.

N= _ million individuals of age 30.

N= _ million individuals of age 45.

Round to the nearest million as needed.

Answer 1

N30 = 2.28 = nearest approx 2 Million individuals of age 30.

N45 =3.6825 = nearest approx 4 Million individuals of age 45.