The Bayside Community Water District has decided to add fluoride to the drinking water. Board member Evelyn
Question:
a. If the fluoride content begins at 3.00 mg/L and no additional fluoride is added, how long will it be before the concentration is too low to promote dental health?
b. If the fluoride content begins at 3.00 mg/L and 0.50 mg/L is added daily, will the concentration increase or decrease? What is the long-run value? Explain your reasoning.
c. Suppose the fluoride content begins at 3.00 mg/L and 0.10 mg/L is added daily.
Describe what happens.
d. The Water District board members vote that there should be an initial treatment of 3.00 mg/L, but that the long-run fluoride content should be 1.50 mg/L. How much fluoride needs to be added daily for the fluoride content to stabilize at 1.50 mg/L?
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Related Book For
Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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