
Concept explainers
To calculate: The domain and range of the function

Answer to Problem 7.3.5EP
The domain is
Explanation of Solution
Given information:
The square root function
Formula used:
The standard form of square root function is
Calculation:
Consider the square root function
Recall that the standard form of square root function is
Rewrite the function as,
The minimum point of the function is at
Next, construct the table of values for
Graph the coordinates obtained above.
Observe that the shape of the graph is same as that
Also, as the value of x increases the corresponding values of ydecreases .
Next, the domain is
Chapter EP Solutions
Algebra 2
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