# Due to acid rain, the percentage of lakes in Scandinavia that lost their population of brown trout increased dramatically between

## Question:

Due to acid rain, the percentage of lakes in Scandinavia that lost their population of brown trout increased dramatically between 1940 and 1975. Based on a sample of 2850 lakes, this percentage can be approximated by the following piecewise-linear function.

(a) Determine the percentage of lakes that lost brown trout by 1947 and by 1972.

(b) Sketch a graph of f.

(c) Is f a continuous function on its domain?

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## Step by Step Answer:

**Related Book For**

## College Algebra With Modeling And Visualization

**ISBN:** 9780134418049

6th Edition

**Authors:** Gary Rockswold

**Question Details**

Chapter #

**2**Section: Review Exercises

Problem: 82

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