Since the solution to 85 from 6.4 chapter was answered, more than 204 students have viewed the full step-by-step answer. Precalculus was written by and is associated to the ISBN: 9780618643448. This textbook survival guide was created for the textbook: Precalculus, edition: 7. This full solution covers the following key subjects: . This expansive textbook survival guide covers 85 chapters, and 8847 solutions. The full step-by-step solution to problem: 85 from chapter: 6.4 was answered by , our top Calculus solution expert on 03/15/18, 04:43PM. The answer to “In Exercises 8588, find all solutions of the equation in the interval” is broken down into a number of easy to follow steps, and 12 words.