When the total revenue functions is R = 100−X2, the marginal revenue is : April 29, 2021 – by admin Question: When the total revenue functions is R = 100−X2, the marginal revenue is : A. 100 – 2X B. 100 C. −2X D. −X2 Answer» c. −2X Note: The above multiple-choice question is for all general and Competitive Exams in India.