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Rate of Change, Marginal Cost & Revenue · Question 48 of 79

Question 48

EasyOriginal question

A trader sells every unit at a fixed price of ₹45. What is the marginal revenue?

Options for question 48

Show the answer and explanation
CorrectNot quiteAnswer D

Correct answer: D

Explanation

  1. R(x)=45xR(x) = 45x.

  2. MR=R′(x)=45MR = R'(x) = 45: each extra unit adds its price.

Worth noting

₹0 would mean selling more adds nothing; at a fixed price each unit adds ₹45.

Concept
Marginal revenue and price
Typical time
60 s
Your time
—
The rule this testsMarginal revenue
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