Analyze the polynomial function f(x)=x^4−2.12x^2+0.3136   a) Find the domain and the range of the function.   b) Use the graph to determine where the function is increasing and where it is decreasing.

College Algebra
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Author:Ron Larson
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Chapter3: Polynomial Functions
Section3.2: Polynomial Functions Of Higher Degree
Problem 106E: For each graph, describe a polynomial function that could represent the graph. (Indicate the degree...
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Analyze the polynomial function

f(x)=x^4−2.12x^2+0.3136
 
a) Find the domain and the range of the function.
 
b) Use the graph to determine where the function is increasing and where it is decreasing.
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