Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 46E
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Question
What is the function of the graph in the image?
Expert Solution
Step 1
Graphically, we know that roots of a function are those points on -axis where graph of the function either cuts the -axis or touches it.
If graph of function cuts the -axis at points (let's say) , then is a factor of the function
If graph of function touches the -axis at points (let's say), then is a factor of the function .
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