please help

The following graph approximates the number N, in millions, of hearing-impaired people as a function of age x. The equation of this graph is the function given by the following equation. Answer parts (a) through (c). N(x) = 0.0000th3 + 0.006x2 0.1x + 3.1 a) Use the graph to determine the domain of N. Choose the correct answer below. A Q m 8 E g 0 A. [0,137.7] E 2 Q 0 B. [0,100] g 5 E O c. [0,25] 4 e O D. [0,5.8] 'g 3 .E 2 g: 87.7 b) Use the graph to determine the range of N. Choose the correct answer below. g 1 : E o 0 20 4O 60 80 100 CA. [0,100] Age 0 B. [0,137.71 0 c. [0,251 O D. [0,53]