Precalculus: Mathematics for Calculus, 7th Edition

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

Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises: 60

Answer

a) $[0,2)$ b) $(-2,0]$

Work Step by Step

a) To express in interval notation, use the two points on the number line as the starting points for your interval:$$0,2$$Then add a parenthesis for the open point at two, and a square bracket for the closed point at 0:$$[0,2)$$b) To express in interval notation, use the two points on the number line as the starting points for your interval:$$-2,0$$Then add a parenthesis for the open point at negative two, and a square bracket for the closed point at 0:$$(-2,0]$$
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