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A firm’s revenue from selling notebooks is rupees
MATHEMATICS · Subjective · GCSE · Mathematics · Algebra · Algebra
Problem
A firm’s revenue from selling
x
x
x
notebooks is
R
(
x
)
=
25
x
−
0.5
x
2
R(x)=25x-0.5x^2
R
(
x
)
=
25
x
−
0.5
x
2
rupees, while the cost of producing them is
C
(
x
)
=
10
x
+
150
C(x)=10x+150
C
(
x
)
=
10
x
+
150
rupees. Find the profit when
x
=
40
x=40
x
=
40
notebooks are sold.
Related theory
Polynomials
Algebra
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