Consider the polynomial and the real number line shown below. (a) Identify the points on

Chapter 2, Problem 84

(choose chapter or problem)

Consider the polynomial and the real number line shown below. (a) Identify the points on the line at which the polynomial is zero. (b) In each of the three subintervals of the line, write the sign of each factor and the sign of the product. (c) For what -values does the polynomial change signs?

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