Foreign Voltage In other countries, normal household voltage is 220 volts. It is acceptable for the actual voltage x to differ from normal by at most 8 volts. A formula that describes this is ǀ x - 220 ǀ ≤ 8 (a) Show that a voltage of 214 volts is acceptable.(b) Show that a voltage of 209 volts is not acceptable.
Foreign Voltage In other countries, normal household voltage is 220 volts. It is acceptable for the actual voltage x to differ from normal by at most 8 volts. A formula that describes this is ǀ x - 220 ǀ ≤ 8 (a) Show that a voltage of 214 volts is acceptable.(b) Show that a voltage of 209 volts is not acceptable.
Chapter2: Equations And Inequalities
Section: Chapter Questions
Problem 61RE: For the following exercises, solve the inequality. Write your final answer in interval notation. 61....
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Foreign Voltage In other countries, normal household voltage is 220 volts. It is acceptable for the actual voltage x to differ from normal by at most 8 volts. A formula that describes this is
ǀ x - 220 ǀ ≤ 8
(a) Show that a voltage of 214 volts is acceptable.
(b) Show that a voltage of 209 volts is not acceptable.
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