A marshy region used for agricultural drainage has become contaminated with a particular element. It has been determined that flushing the area with clean water will reduce the element for a while, but it will then begin to build up again. A biologist has found that the percent of the element in the soil x months after the flushing begins is given by the function below. When will the element be reduced to a minimum? What is the minimum percent? x² +25 13Xs12 f(x) = 2x ERIN Find f (x). f (x) =

College Algebra (MindTap Course List)
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Chapter4: Polynomial And Rational Functions
Section4.1: Quadratic Functions
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f'(x)
A marshy region used for agricultural
drainage has become contaminated with a
particular element. It has been determined
that flushing the area with clean water will
reduce the element for a while, but it wilI
then begin to build up again. A biologist
has found that the percent of the element
in the soil x months after the flushing
begins is given by the function below.
When will the element be reduced to a
minimum? What is the minimum percent?
x² + 25
f(x) =
2x
13xs12
Find f (x).
f(X) =|
Transcribed Image Text:A marshy region used for agricultural drainage has become contaminated with a particular element. It has been determined that flushing the area with clean water will reduce the element for a while, but it wilI then begin to build up again. A biologist has found that the percent of the element in the soil x months after the flushing begins is given by the function below. When will the element be reduced to a minimum? What is the minimum percent? x² + 25 f(x) = 2x 13xs12 Find f (x). f(X) =|
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