CUET Mathematics - The function f(x) = x^3 + 2x^2 - 1 is (A) increasing in (-4/3, 0) (B) decreasing in (-4/3, 0) (C) increasing in (-∞, -4/3) (D) increasing in (0, ∞) Choose the **correct** answer from the options given below: | PYQs + Solutions

CUET Mathematics 2026 12th May Shift 2

Calculus

Medium

common

(A) and (B) only

(A) and (C) only

(B), (C) and (D) only

(A), (B), (C) and (D)

✅ Correct Option: 3

Related questions:

16 May Shift 1

Match List-I with List-II

Consider the function f(x) = 2x³ - 21x² + 36x + 80, x∈[0, 6]. Then

List-I	List-II
(A) one of its critical points is at x =	(I) -28
(B) Its absolute maximum value is	(II) -42
(C) Its absolute minimum value is	(III) 97
(D) Its second derivative at x = 0 is	(IV) 6

Choose the correct answer from the options given below:

12th May Shift 2

The total revenue received from the sale of $x$ units of a product is given by $R(x)=24x+5x^2+3$ . The marginal revenue when $x=10$ is,

21 May Shift 1

If $f(x) = x^2 - 4x + 13, x \in \mathbb{R}$ , then which of the following are correct?

(A) $x = 2$ is a stationary point of $f(x)$ .

(B) $f(x)$ is increasing function on $(2, \infty)$

(D) $f(2) = 9$

Choose the correct answer from the options given below:

CUET Mathematics 2026 12th May Shift 2 PYQs