EduFarming
Your list · 0हिं

Type at least two letters. Press Esc to close.

↑↓ navigate↵ openTAB cycle filter

Chain Rule, Log Differentiation & Rate of Change · Question 107 of 130

Question 107

EasyOriginal question

A firm's total revenue from selling xx units is R(x)=2x2+30x+7R(x) = 2x^{2} + 30x + 7 rupees. What is the marginal revenue when x=6x = 6?

Options for question 107

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. Marginal revenue is R′(x)=4x+30R'(x) = 4x + 30.

  2. At x=6x = 6: 24+30=5424 + 30 = 54 rupees.

Worth noting

₹259 is R(6)R(6), the revenue itself.

Concept
Marginal revenue as a rate of change
Typical time
60 s
Your time
—
The rule this testsRate of change of quantities
Practise this chapter →

Ten questions from Chain Rule, Log Differentiation & Rate of Change, at your own pace.

Practise this chapter →

Ten questions from Chain Rule, Log Differentiation & Rate of Change, at your own pace.

Practise this chapterAll 130 questions in Chain Rule, Log Differentiation & Rate of ChangeRevise the notes for Chain Rule, Log Differentiation & Rate of Change