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Rate of Change, Marginal Cost & Revenue · Question 21 of 79

Question 21

EasyOriginal question

A firm's cost of making xx units is C(x)=1,000+25xC(x) = 1{,}000 + 25x rupees and its revenue is R(x)=60xR(x) = 60x rupees. What is its profit on 50 units?

Options for question 21

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. Profit P(x)=R(x)−C(x)=35x−1,000P(x) = R(x) - C(x) = 35x - 1{,}000.

  2. P(50)=1,750−1,000=750P(50) = 1{,}750 - 1{,}000 = 750 rupees.

Worth noting

₹1,750 forgets the fixed cost of ₹1,000.

Concept
Profit from cost and revenue
Typical time
60 s
Your time
—
The rule this testsCost, revenue and profit functions
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