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Find the demand function for the marginal revenue function. Recall that if no items are sold, the revenue is 0.R′(x) = 0.06x^2 − 0.05x + 138

Sagot :

The demand function for the marginal revenue function is found as; p(x) = 0.02x² - 0.025x + 138.

Explain the term revenue function?

  • The relationship between the demand function p(x) as well as the revenue function R(x) is given by the equation R(x)=xp(x), where x represents the quantity of units sold.
  • In order to get the revenue function, we shall integrate the marginal revenue function R′(x).

For the given question;

R′(x) = 0.06x² − 0.05x + 138

R(x) = ∫R′(x)dx

R(x) =  ∫[0.06x² − 0.05x + 138] dx

R(x) = 0.06x³/3 - 0.05x²/2 + 138x + C

R(x) = 0.02x³ - 0.025x² + 138x + C

If R(0) = 0, revenue is 0.

Put x = 0.

0.02x³ - 0.025x² + 138x + C = 0

c = 0

Thus,

R(x) = 0.02x³ - 0.025x² + 138x

Factorizing the function,

R(x) = 0.02x³ - 0.025x² + 138x

R(x) = x(0.02x² - 0.025x + 138)

R(x) = xp(x) . Thus,

p(x) = 0.02x² - 0.025x + 138

Therefore, the demand function for the marginal revenue function is found as; p(x) = 0.02x² - 0.025x + 138.

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