Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Review - Concept Check - Page 230: 2

Answer

Verbally, Algebraically, Numerically, and Graphically

Work Step by Step

Verbally e.g. Double the number and add one. Algebraically $f(x)=2x+1$ Numerically e.g. $\left[\begin{array}{l|lllll} x & -1 & 0 & 1 & 2 & 3\\ \hline f(x) & -3 & 1 & 3 & 5 & 7 \end{array}\right]$ Graphically - a graph with x on the horizontal axis, f(x) on the vertical. The points on the graph are (x,f(x)), that is, the y-coordinate is the function value of the x-coordinate.
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