A lake used for recreational swimming is treated periodically to control harmful bacteria growth. Suppose that t

Question:

A lake used for recreational swimming is treated periodically to control harmful bacteria growth. Suppose that t days after a treatment, the concentration of bacteria per cubic centimeter is given by

C(t) = 30t² - 240t + 500 0 ≤ t ≤ 8

How many days after a treatment will the concentration be minimal? What is the minimum concentration?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

College Mathematics For Business Economics, Life Sciences, And Social Sciences

ISBN: 978-0134674148

14th Edition

Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker

See More Books

Question Posted: Apr 11, 2022 11:58 PM

See More Questions

If t days after a treatment the bacteria count per cubic centimeter in a body of water is given by C(t) = 20t 2 - 120t + 800 0 t 9 then in how many days will the count be a minimum?
Suppose that a bacteria population starts with 500 bacteria and triples every hour. (a) What is the population after 3 hours? After 4 hours after hours? (b) Use (5) in Section 3.1 to estimate the...
A grating with 1 500 slits per centimeter is illuminated with light of wavelength 500 nm. (a) What is the highest-order number that can be observed with this grating? (b) Repeat for a grating of 15...
Prepare a personal SWOT analysis (Your personal Strengths and Weaknesses and the external macroeconomic Opportunities and Threats that all of your competitors will assess criteria examples Advantages...
Describe the three prominent sources of price-level knowledge.
Kara Shin is a licensed CPA. During the first month of operations of her business, Kara Shin, Inc., the following events and transactions occurred. May 1 Stockholders invested $20,000 cash in...
The following information was reported in the December 31, 2007, financial statements of Southwest Airlines, Inc. (listed alphabetically, amounts in millions). Accounts Payable $1,731 Accounts...
You have a $10 million capital budget and must make the decision about which investments your firm should accept for the coming year. Projects 1, 2, and 3 are mutually exclusive, and Project 4 is...
DEF Hedge Fund has long and short positions in its portfolio. Its objective is to have zero beta exposure in its portfolio. What type of strategy does it implement? Market neutral strategy Short bias...
Richard chooses technique 0 and 2 requiring 10+10-20 efforts and provising 10+11=21 benefits. Hence, 21 is returned as the output Example 2: input1: 3 input2: (10,10,10,10) input3: (10,11,12,15)...
In Problem find the indicated extremum of each function on the given interval. Absolute maximum value on (0, ) for f(x) = 3x 2 - x 3
Find the absolute maximum and absolute minimum, if either exists, for y = f(x) = x 3 - 12x + 12 -3 x 5
In an organization, there are many employment policies in the company handbook. This handbook is given to employees at the start of the employer-employee relationship, and although generally not...
As the chief economist of the Lusitania country fund with extensive holdings in Brazil, you have been approached by Third Eye, a professional currency forecasting firm that claims to have superior...
How will the following events affect the demand for money? In each case, specify whether there is a shift of the demand curve or a movement along the demand curve and its direction. a. There is a...
Repeat 4.39.5, but now assume that energy consumption is reduced by a factor of X 2 when latency is made X times longer. What are the power savings compared to what you computed for 4.39.2? Exercise...
There are three types of money: commodity money, commodity-backed money, and fiat money. Which type of money is used in each of the following situations? a. Bottles of rum were used to pay for goods...
The Congressional Research Service estimates that at least $45 million of counterfeit U.S. $100 notes produced by the North Korean government are in circulation. a. Why do U.S. taxpayers lose because...
Draw the structure of each of the following compounds: a. 2-methyl-N-propyl-1-propanamine b. N-ethylethanamine c. 5-methylhexan-1-amine d. methyldipropylamine e. N,N-dimethylpentan-3-amine f....
The percentage of completion and completed contract methods are described in the FASB ASC. Search the codification to find the paragraphs covering these topics, cite them, and copy the results.
Which confidence interval would be the narrowest? A. 99% B. 95% C. 90% D. 85%
If the standard deviation were 0.78 hours instead of 1.05, the width of a 95% confidence interval would (increase/decrease).
If the standard deviation were 1.25 hours instead of 1.05, the width of a 95% confidence interval would (increase/decrease).
How may price floors and ceilings destroy market equilibrium? How does the shape of the indicator line on the graph show diminishing returns? Monthly rent A Price Ceiling on Rent B $900 $800...
Provide a comprehensive analysis of the regulatory frameworks governing financial institutions, delineating the intricate interplay between prudential supervision, market conduct standards, and...
How does the forum meet organisational objectives? What vocabulary, tone, structure and style suits the audience? How will I: build trust develop positive working relationships ...

A lake used for recreational swimming is treated periodically to control harmful bacteria growth. Suppose that t

Question:

Step by Step Answer:

Solution The treatment of the lake can be modeled as a twovariable problem with concentration of bac...View the full answer

College Mathematics For Business Economics, Life Sciences, And Social Sciences

Students also viewed these Mathematics questions