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Rate of Change, Marginal Cost & Revenue · Question 55 of 79

Question 55

MediumOriginal question

Read the two statements and choose the correct option.

I. If every unit sells at the same fixed price pp, the marginal revenue is pp.

II. If the price is p=a−bxp = a - bx, the marginal revenue a−2bxa - 2bx falls twice as fast as the price.

Options for question 55

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. I: R=pxR = px, so R′(x)=pR'(x) = p. True.

  2. II: R=ax−bx2R = ax - bx^{2}, so MR=a−2bxMR = a - 2bx, which falls by 2b2b per unit while the price falls by bb. True.

Concept
Marginal revenue and price
Typical time
90 s
Your time
—
The rule this testsMarginal revenue
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Ten questions from Rate of Change, Marginal Cost & Revenue, at your own pace.

Practise this chapter →

Ten questions from Rate of Change, Marginal Cost & Revenue, at your own pace.