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Mathematics
Mathematics
Problem
The cost (in dollars) to manufacture
x
x
x
smartphones is
C
(
x
)
=
0.002
x
2
+
5
x
+
200
C(x) = 0.002x^{2} + 5x + 200
C
(
x
)
=
0.002
x
2
+
5
x
+
200
. Determine the marginal cost when
500
smartphones
500\,\text{smartphones}
500
smartphones
have been produced. Provide units with your answer.
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