Question 145201
f(x) = 0.001 x^3  - 0.13 x^2  + 6 x  + 14
Simply plug in the value given and solve:
f(30) = 0.001 30^3  - 0.13 30^2  + 6(30)  + 14
f(30) = 0.001 30^3  - 0.13 30^2  + 6(30)  + 14
f(30) = 27 - 117 + 180 + 14
f(30) = 104