Concept explainers
The domain of function
Answer to Problem 4CT
Solution:
Domain of the function is
The value of the function
Explanation of Solution
Given information:
The function is
Domain is set of
The function
Function is undefined at zeroes of polynomial
Consider
Find zeroes of the polynomial.
The product of
Therefore, the polynomial becomes
Therefore, exclude the points
Thus, domain of function in interval notation is
To evaluate function at
Therefore,
Thus, the value of
Chapter 2 Solutions
Precalculus Enhanced with Graphing Utilities
Additional Math Textbook Solutions
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