CUET Mathematics 2022 25 May Shift 1 PYQs

Based on above information answer the following question :

$x$ and $y$ will satisfy :

If the cost function of a product is given by $C(x) = \frac{3}{4}x^2 - 5x + 21$, then the marginal cost when $x = 10$ is

The given function $f(x) = x^5 - 5x^4 + 5x^3 - 1$; has/have

(a) local maxima at $x = 1$

(b) local maximum value is 0

(c) local minimum at $x = 3$

(d) local minimum value is $-28$

(e) The point of inflexion is $x = 1$

Choose the correct answer from the options given below