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Mathematics
Mathematics
Problem
The profit (in thousand rupees) from selling
x
x
x
dozen notebooks is given by
P
(
x
)
=
−
x
2
+
12
x
−
20
P(x)= -x^2 + 12x - 20
P
(
x
)
=
−
x
2
+
12
x
−
20
. Find the greater number of dozen notebooks that must be sold so that the profit becomes zero. a)
2
2
2
b)
6
6
6
c)
10
10
10
d)
4
4
4
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