1

WB JEE 2021

MCQ (Single Correct Answer)

+1

-0.25

Let f : R $$\to$$ R be given by f(x) = | x

^{2}$$-$$ 1 |, x$$\in$$R. Then,2

WB JEE 2021

MCQ (Single Correct Answer)

+1

-0.25

f(x) is real valued function such that 2f(x) + 3f($$-$$x) = 15 $$-$$ 4x for all x$$\in$$R. Then f(2) =

3

WB JEE 2021

MCQ (Single Correct Answer)

+1

-0.25

Consider the functions f

_{1}(x) = x, f_{2}(x) = 2 + log_{e}x, x > 0. The graphs of the functions intersect4

WB JEE 2021

MCQ (Single Correct Answer)

+2

-0.5

Given that f : S $$\to$$ R is said to have a fixed point at c of S if f(c) = c. Let f : [1, $$\infty$$) $$\to$$ R be defined by f(x) = 1 + $$\sqrt x $$. Then

Questions Asked from Functions (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

WB JEE Subjects

Physics

Mechanics

Units & Measurements Vector Algebra Motion Laws of Motion Circular Motion Work Power & Energy Center of Mass Rotational Motion Properties of Matter Heat and Thermodynamics Simple Harmonic Motion Waves Gravitation

Electricity

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Optics

Modern Physics

Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure Redox Reaction Gaseous State Chemical Equilibrium Liquid Solution Ionic Equilibrium Thermodynamics Chemical Kinetics Radioactivity and Nuclear Chemistry Electrochemistry Solid State Surface Chemistry

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Periodic Table Chemical Bonding Metallurgy Hydrogen and It's Compounds Some s Block Elements Some P Block Elements d and f Block Elements Coordination Compounds

Organic Chemistry

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