College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Are you Ready for College Algebra? - A. Diagnostic Test:: Real Numbers and Exponents: 5

Answer

(a) $\mathcal{x}$ $\gt$ 2 (b) -3 $\leq$ $\mathcal{x}$ $\leq$ -1 (c) 0 $\leq$ $\mathcal{x}$ $\lt$ 9

Work Step by Step

In (a) $\mathcal{x}$ $\gt$ 2 because the other end of the limit is $\infty$ In (b) and (c) numbers are given and (parentheses) are closed intervals and [brackets] are open inverals.
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