CUET Mathematics - The range of function f(x) = 4x^2 + 12x + 7, x R is | PYQs + Solutions

CUET Mathematics 2025 3 June Shift 1

Algebra

Medium

core

$[-2, \infty)$

$[0, \infty)$

$\mathbb{R}$

$(-2, \infty)$

✅ Correct Option: 1

Related questions:

13 May Shift 2

Match List-I with List-II

Let $f: A o B$ be a function given by $f(x) = x^2$

List-I	List-II
Domain and Co-domain	Kind
(A) $A = \mathbb{R}$ and $B = \mathbb{R}$	(I) $f$ is both one-one and onto
(B) $A = \mathbb{R}$ and $B = [0, \infty]$	(II) $f$ is one-one but not onto
(C) $A = B = [0, \infty]$	(III) $f$ is not one-one but onto
(D) $A = [0, \infty]$ and $B = \mathbb{R}$	(IV) $f$ is neither one-one nor onto

Choose the correct answer from the options given below:

22 May Shift 2

Consider the function $f: \mathbb{R} o \mathbb{R}$ defined by $f(x) = \frac{x}{x^2+1}$ then

22 May Shift 1

A and B are two sets such that $n(A) = 5$ and $n(B) = 7$ . The number of one-one functions from A to B is

CUET Mathematics 2025 3 June Shift 1 PYQs