Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Section 2.1 - Complex Numbers - Exercise Set - Page 315: 85

Answer

The values of x when the value of the function is 1 are: $f\left( x \right)=1$, $x=\frac{1}{2}$ and$\frac{3}{2}$.

Work Step by Step

Observe the graph of the function, $y=f\left( x \right)$ To find the values of x such that $f\left( x \right)=1$, observe the y-axis and see where the point 1 is marked. Now, move to the x-axis to find the corresponding x-coordinate. Observe that at $x=\frac{1}{2}$, the y-coordinate is 1; also at $x=\frac{3}{2}$, the y-coordinate is 1. Therefore, for the two values of x, the y-coordinate is 1. Thus, the values of x when the value of the function is 1 are: $f\left( x \right)=1$, $x=\frac{1}{2}$ and$\frac{3}{2}$.
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