In other countries, normal household voltage is 220 volts. It is acceptable for the actual voltage x to differ from normail by at most 8 volts. A formula that describes this is |x-220|<_8
A)Show that a voltage of 214 volts is acceptable
B)Show that a voltage of 109 volts is not acceptable
A)Show that a voltage of 214 volts is acceptable
B)Show that a voltage of 109 volts is not acceptable
