SOLUTION: The polynomial function f (x) = 0.001 x 3 - 0.13 x 2 + 6 x + 14 models the path of a portion of the track of a roller coaster. Find the height of the track for x = 30.
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Question 145201: The polynomial function f (x) = 0.001 x 3 - 0.13 x 2 + 6 x + 14 models the path of a portion of the track of a roller coaster. Find the height of the track for x = 30.
Choose the answer from the following.
338
104
5437.1
117
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
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
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