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# Polynomial Functions in Real Life

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on 6 March 2013

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#### Transcript of Polynomial Functions in Real Life

in Real Life Polynomial Functions Roller Coasters Roller coasters are modeled using polynomial
functions, specifically this one: Medical Dosage To calculate the concentration, c, in parts per
million of a certain drug in the bloodstream
after t hours, we use this equation: Motion of Particle Under
Influence of Gravity To find the motion of a particle under the
influence of gravity, this equation is used: Weight of a Patient The weight, w, of a sick patient can be
modeled with this equation: Polynomial Regression Polynomial regression in statistics is found
with the following formula: If we fill in the values, we get this graph: That looks like a roller coaster, doesn't it? Abhimanyu Deora x0 = initial position
v0 = initial velocity
a = acceleration due to gravity
t = time n= number of weeks since
patient became ill Polynomial regression is "a form of linear regression in which the relationship between the independent variable x and the dependent variable y is modelled as an nth order polynomial."
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