Precalculus (6th Edition)

Published by Pearson

Chapter 2 - Graphs and Functions - 2.3 Functions - 2.3 Exercises - Page 216: 55

Answer

$3$

Work Step by Step

To find the value of $f(\frac{1}{3})$, substitute $\frac{1}{3}$ to $x$ in $f(x)$ to obtain: $f(x)=-3x+4 \\f(\frac{1}{3})=-3(\frac{1}{3})+4 \\f(\frac{1}{3}) = -1+4 \\f(\frac{1}{3}) = 3$

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