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Math 160. 3.2 – Polynomial Functions and Their Graphs. A polynomial function of degree is a function that can be written in the form :. Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners .
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Math 1603.2 – Polynomial Functions and Their GraphsA polynomial function of degree is a function that can be written in the form:Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners.Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners.Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners.Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners.Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners.Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners.Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners.Polynomial functions are continuous and smooth. That means no gaps, holes, cusps, or corners.The end behavior of a function means how the function behaves when or .For non-constant polynomial functions, the end behavior is either or .The highest degree term of a polynomial, called the ___________, determines its end behavior.The end behavior of a function means how the function behaves when or .For non-constant polynomial functions, the end behavior is either or .The highest degree term of a polynomial, called the ___________, determines its end behavior.The end behavior of a function means how the function behaves when or .For non-constant polynomial functions, the end behavior is either or .The highest degree term of a polynomial, called the ___________, determines its end behavior.The end behavior of a function means how the function behaves when or .For non-constant polynomial functions, the end behavior is either or .The highest degree term of a polynomial, called the ___________, determines its end behavior.leading termEx 1.Determine the end behavior of the polynomial .Ex 1.Determine the end behavior of the polynomial .Ex 2.Determine the end behavior of the polynomial .Ex 2.Determine the end behavior of the polynomial .Note: Zeros of a polynomial correspond with factors, and visually mean -intercepts.ex: If , then since , we must have a factor of . Also, there will be an -intercept at .Note: Zeros of a polynomial correspond with factors, and visually mean -intercepts.ex: If , then since , we must have a factor of . Also, there will be an -intercept at .Note: Zeros of a polynomial correspond with factors, and visually mean -intercepts.ex: If , then since , we must have a factor of . Also, there will be an -intercept at .Graphing Polynomial FunctionsFactor to find zeros and plot -intercepts.Plot test points (before smallest -intercept, between -intercepts, and after largest -intercept).Determine end behavior.4. Graph.Ex 3.Sketch the graph of .Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 3.Sketch the graph of .Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 3.Sketch the graph of .Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 3.Sketch the graph of .Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 3.Sketch the graph of .Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 3.Sketch the graph of .Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 3.Sketch the graph of .Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 4.Sketch the graph of. Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 4.Sketch the graph of. Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 4.Sketch the graph of. Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 4.Sketch the graph of. Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 4.Sketch the graph of. Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 4.Sketch the graph of. Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.Ex 4.Sketch the graph of. Be sure to show intercepts, test points (before smallest -intercept, between -intercepts, and after largest -intercept), and end behavior.MultiplicityFor the polynomial , the factor has multiplicity ___, and the factor has multiplicity ___.MultiplicityFor the polynomial , the factor has multiplicity ___, and the factor has multiplicity ___.MultiplicityFor the polynomial , the factor has multiplicity ___, and the factor has multiplicity ___.MultiplicityIf a factor has an ______ multiplicity, then the curve will ______________ the -axis at :MultiplicityIf a factor has an ______ multiplicity, then the curve will ______________ the -axis at :oddMultiplicityIf a factor has an ______ multiplicity, then the curve will ______________ the -axis at :oddpass throughMultiplicityIf a factor has an ______ multiplicity, then the curve will ______________ the -axis at :MultiplicityIf a factor has an ______ multiplicity, then the curve will ______________ the -axis at :evenMultiplicityIf a factor has an ______ multiplicity, then the curve will ______________ the -axis at :even“bounce” offEx 5.Based on the graph below, determine if the multiplicities of each zero of are even or odd.Ex 5.Based on the graph below, determine if the multiplicities of each zero of are even or odd.Ex 5.Based on the graph below, determine if the multiplicities of each zero of are even or odd.Ex 5.Based on the graph below, determine if the multiplicities of each zero of are even or odd.Ex 5.Based on the graph below, determine if the multiplicities of each zero of are even or odd.Ex 5.Based on the graph below, determine if the multiplicities of each zero of are even or odd.Intermediate Value Theorem (for Polynomials)Intermediate Value Theorem (for Polynomials)Note: Since polynomials are continuous (can be drawn without picking up your pencil), if you find two function values, and , that have opposite signs, then must cross the -axis at some -value between and . This is called the Intermediate Value Theorem (for Polynomials). The same thing is true for all continuous functions.

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