CUET Preparation Today
The total revenue (in Rs.) received by selling 'x' units of a certain product is given by : $R(x) =4x^2 +10x+ 3. $ What is the marginal on selling 20 such units ? |
Rs. 130 Rs. 170 Rs. 173 Rs. 360 |
Rs. 170 |
The correct answer is Option (2) → Rs. 170 Marginal Revenue (MR) is, $MR=\frac{dR}{dx}=\frac{d(4x^2+10x+3)}{dx}$ $=8x+10$ $MR(20)=8×20+10$ $=170$ |
