Class 12 Applications Of Derivatives · Mcq Single Correct1 Marksrelated_rates
Class 12 Maths · Applications Of Derivatives · Mcq Single Correct #9
Revenue is R(x)=3x²+36x+5 rupees. Find marginal revenue at x=15.
✅ Step-by-Step Solution
Final Answer: Option (D): 126
- R′(x)=6x+36, so R′(15)=126 rupees per unit.
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