College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 6 - Section 6.3 - Exponential Functions - 6.3 Assess Your Understanding - Page 435: 43


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Work Step by Step

Start with the graph of $ f_{1}(x)=2^{x}\quad$(black dashed, similar to figure 21) ... the curve passes through $(-1,0.5),(0,1),(1,2)$, the left side nearing the x-axis. Then, shift it up by one unit, obtaining the graph of $ f(x)=f_{1}(x)+1=2^{x}+1\quad$ (blue, solid). The curve passes through $(-1,1.5),(0,2),(1,3)$, the left side nearing the line $y=1$ Join the points with a smooth curve. Graph the line $y=1$ (dashed).
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