CUET Preparation Today
CUET
-- Mathematics - Section B2
Calculus
If the average cost function of producing and marketing x units of an item is $AC=2 x-11+\frac{50}{x}$, then the marginal cost function is:
$2 x^2-11 x+50$
$2-\frac{50}{x^2}$
$4 x-11$
$4 x+39$
The correct answer is Option (3) → $4 x-11$