In the United States, normal household voltage is 110 volts. It is acceptable for the actual voltage

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In the United States, normal household voltage is 110 volts. It is acceptable for the actual voltage x to differ from normal by at most 5 volts. A formula that describes this is

|x - 110| ≤ 5

(a) Show that a voltage of 108 volts is acceptable.
(b) Show that a voltage of 104 volts is not acceptable.

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Apr 06, 2019 07:22 AM

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In the United States, normal household voltage is 110 volts. It is acceptable for the actual voltage

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a x110 10811022 5 ...View the full answer

Precalculus

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