The Cost Function of Manufacturing X Meters of a Fabric $0.002 x ^ { 2 }$

Multiple Choice

The cost function of manufacturing x meters of a fabric is C (x) = 25,000 + 3x - $0.002 x ^ { 2 }$ + $0.000001 x ^ { 3 }$ . Find $\mathrm { C } ^ { ' }$ (5000) .

A) 58
B) 580
C) 5.8
D) 5800
E) 60
F) 600
G) 6
H) 6000