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Q. 22) If the cost function is C-2xl-5x+7 then the marginal cost at x-5
is
a)10
b)15
c)20
d)25​

By Alice

Q. 22) If the cost function is C-2xl-5x+7 then the marginal cost at x-5
is
a)10
b)15
c)20
d)25​

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Alice

31. If two intersecting chords of a circle make equal angles with the diameter passing through their
point of intersection, p

Hey there Anybody to solve my Question
If A is a Matrix 3× 4, B is a Matrix such that A transpose B
and B transpose A bo

1 thought on “Q. 22) If the cost function is C-2xl-5x+7 then the marginal cost at x-5<br />is<br />a)10<br />b)15<br />c)20<br />d)25​”

  1. Answer:

    Correct option is

    C

    16

    ⇒ We have, C(x)=3x

    2

    −2x+3

    ⇒ Marginal cost =

    dx

    d

    C(x)

    ⇒ Marginal cost =

    dx

    d

    (3x

    2

    −2x+3)

    ⇒ Marginal cost = 2×3x−2=6x−2.

    ⇒ Now, substitute value of x=3,

    ⇒ Marginal cost = 6×3−2=18−2=16

    Reply

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