Скачать или смотреть Lec # 3 | Modulus Function + Inverse Function with Domain & Range || The Digital Coaching

Course Recorded ‪@TheDigitalCoaching‬
Teacher Name : Muhammad Umar Zaheer
Course Name ; Additional Math (0606)
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1. Modulus Function (|x|) – Full Explanation

In this part of the video, you will learn:

What the modulus (absolute value) really means

Why the graph of |x| forms a V-shape

How to solve equations involving |x|

How to break modulus into cases (positive & negative)

Tricks to avoid common exam mistakes

Step-by-step examples you can apply immediately
⭐ 2. Inverse Function (f⁻¹(x)) with Domain & Range

In the second part, we work on:

Understanding what an inverse function represents

How to find the inverse of a function step by step

How to swap x and y correctly

How to restrict the domain for functions that are not one-to-one

How to identify and write domain & range

How domain and range switch after taking the inverse

Solved examples similar to IGCSE & Add Maths exam questions
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