GRE Quant Ep 15: Functions & Intimidating Symbols

Sometimes, the notation in a GRE quant question is just so strange that you don't know where to begin. You might also get frustrated in a functions question when the amount of algebra you need to do appears insurmountable. In this video, Harry -- a GMAT Ninja tutor -- will take the mystery out of these concepts. Starting from the basics and working up to some tough, challenging problems, he'll help you understand how to approach a question on these topics. This is video #15 in our series of full-length GRE quant lessons. For updates on upcoming videos, please subscribe! Want more GRE test-prep tips and advice? Subscribe to our YouTube channel: https://www.youtube.com/@GRENinjaTutoring For more information about GRE tutoring: https://www.gmatninja.com/ For updates on this series and our other projects: https://www.instagram.com/gmatninja/ For more on Harry Duthie and his penchant for bench-pressing students who refuse to do their homework: https://www.gmatninja.com/harry-duthi... Chapters: 00:00 Introduction 01:43 Question 1 - Introduction to functions 06:07 Question 2 - Disappearing variables 10:50 Question 3 - Lots of algebra 17:29 Question 4 - How does the graph move? 24:45 Question 5 - How does the graph move? Part II 32:06 Question 6 - Strange symbols 38:41 Question 7 - Working backwards with functions