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Mathematics
Problem
15. The total cost
C
(
x
)
\mathrm{C}(x)
C
(
x
)
in Rupees associated with the production of
x
x
x
units of an item is given by
C
(
x
)
=
0.007
x
3
−
0.003
x
2
+
15
x
+
4000
\mathrm{C}(x)=0.007 x^{3}-0.003 x^{2}+15 x+4000
C
(
x
)
=
0.007
x
3
−
0.003
x
2
+
15
x
+
4000
Find the marginal cost when 17 units are produced.
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