College Algebra (10th Edition)

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

Chapter 4 - Cumulative Review - Page 319: 2

Answer

See below.

Work Step by Step

If we plug in the respective $x$ and $y$ values of $(x,y)$, we can check if it satisfies the equation, if it does, it is on the graph, if it doesn't it is not on the graph. Hence here: $(-2,-1)\rightarrow(-2)^3-3\sqrt(-2)+1=-8+6+1=-1$, so it is on the graph $(2,3)\rightarrow(2)^3-3\sqrt(2)+1=8-6+1=3$, so it is on the graph $(3,1)\rightarrow(3)^3-3\sqrt(3)+1=27-9+1=19\ne1$, so it is not on the graph
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