Since the solution to 3 from 2.7 chapter was answered, more than 235 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 3 from chapter: 2.7 was answered by , our top Math solution expert on 03/09/18, 07:59PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 68 chapters, and 4376 solutions. The answer to “When writing our solution in interval notation, how do we represent all the real numbers?” is broken down into a number of easy to follow steps, and 15 words. This textbook survival guide was created for the textbook: College Algebra, edition: 1. College Algebra was written by and is associated to the ISBN: 9781938168383.