Concept explainers
Identify the excluded value for each rational function
Answer to Problem 4PT
Excluded value:
Explanation of Solution
Given:
Identify the excluded value for each rational function
Concept Used:
Rational expression is in the form
Excluded values are also called points of discontinuity. These are the values that make the denominator equal to zero and are not part of the domain.
In any rational function, the denominator cannot be zero.
To find the excluded value of the function, make denominator equal to zero and simplify.
Calculation:
In any rational function, the denominator cannot be zero.
To find the excluded value of the function, make denominator equal to zero and simplify.
The denominator
Excluded value:
Thus, excluded value:
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