
Concept explainers
(a)
To find: The voltage of 108 volts acceptable.
(a)

Answer to Problem 143AYU
The value of 108 volts is acceptable.
Explanation of Solution
Given:
The normal household voltage is
The voltage
Calculation:
Consider the given equation is,
For
The value of 2 is less than 5 volts that is true, this inequality shows that
Thus, the value of 108 volts is acceptable.
(b)
To find: The voltage of 104 volts is not acceptable.
(b)

Answer to Problem 143AYU
The value of 104 volts is not acceptable.
Explanation of Solution
Given:
The normal household voltage is
The voltage
Calculation:
Consider the given equation is,
For 104 volts.
The value of 6 is more than 5.
Thus, the value of 104 volts is acceptable.
Chapter A Solutions
Precalculus
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