College Algebra (10th Edition)

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

Chapter 3 - Section 3.1 - Functions - 3.1 Assess Your Understanding - Page 211: 66


The Domain is {All real numbers, $z\ne2$}.

Work Step by Step

To find the domain, we must first set the denominator equal to 0 and solve for $z$. $$z-2=0$$ $$z\ne2$$ We must exclude $z=2$ because if we put 2 into the equation, we would be dividing by 0.
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