O Suppose the equation for the amount of water w (in gallons) in the poolafter t hours is w = -450(2t – 7).1. How many gallons of water are pumped out each hour?2. How long will it take to empty the pool?3. How many gallons of water are in the pool at the start?4. Write an expression that is equivalent to –450(2t – 7). Whichexpression is more useful? Explain.

Here as per POLICY I have calculated first 3 subpart only

Answered: 1. How many gallons of water are pumped…

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

ChapterP: Prerequisites

SectionP.1: Modeling The Real World With Algebra

Problem 2E

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1. How many gallons of water are pumped out each hour? 2. How long will it take to empty the pool? 3. How many gallons of water are in the pool at the start?