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Mathematics
Problem
The cost (in rupees) of producing
x
x
x
units of a product is given by
C
(
x
)
=
5
x
3
−
15
x
+
100
C(x)=5x^{3}-15x+100
C
(
x
)
=
5
x
3
−
15
x
+
100
. Find the increase in cost when production rises from
2
2
2
units to
3
3
3
units. a)
75
75
75
b)
80
80
80
c)
110
110
110
d)
190
190
190
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