Lec # 3 | Modulus Function + Inverse Function with Domain & Range || The Digital Coaching
Автор: The Digital Coaching
Загружено: 2025-11-25
Просмотров: 5
Описание:
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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