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Formula Sheet

Functions — Formula Sheet

TANCET · Quantitative Aptitude

Free Functions formula sheet for TANCET Quantitative Aptitude 2026 — all important formulas, equations, and constants for quick reference.

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An illustration defining a function as a rule mapping an independent variable (x) from a domain (D) to a dependent variable (y) in a range (R), using a simple example like y=f(x).
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Formula Sheet — Functions

Important formulas and equations from Functions for TANCET Quantitative Aptitude.

Formulas — Functions

Function Basics

y = f(x)
Domain: Set D where f(x) is defined
Range: Set of all possible y values

Even and Odd Functions

Even: f(x) = f(-x)
Odd: f(x) = -f(-x)

Graph Transformations

y = f(x) + c
y = f(x + c)
y = -f(x)
y = f(-x)

Inverse Functions

f⁻¹(f(x)) = x
Domain of f = Range of f⁻¹

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Frequently Asked Questions

What topics are covered in Functions for TANCET?
Functions is an important chapter in TANCET Quantitative Aptitude. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Introduction to Functions, Methods of Representing Functions, Even and Odd Functions, Inverse Functions.
How important is Functions for TANCET?
Functions is a frequently tested chapter in TANCET Quantitative Aptitude. Questions from this chapter appear regularly in previous year papers. There are 52 practice questions available for this chapter.
How to prepare Functions for TANCET?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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