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Rate of Change, Marginal Cost & Revenue · Question 23 of 79

Question 23

MediumOriginal question

When xx units are sold, the price of each is p=60−2xp = 60 - 2x rupees. What is the total revenue function?

Options for question 23

Show the answer and explanation
CorrectNot quiteAnswer D

Correct answer: D

Explanation

  1. Revenue = price × quantity: R(x)=x(60−2x)R(x) = x(60 - 2x).

  2. R(x)=60x−2x2R(x) = 60x - 2x^{2}.

Worth noting

60−2x60 - 2x is the price of one unit, not the revenue from xx of them.

Concept
Revenue from a demand function
Typical time
90 s
Your time
—
The rule this testsCost, revenue and profit functions
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