a) The domain and the range of linear equations are the set of all real numbers.
b) The domain and the range of the new function are the subset of non-negative real numbers.
<h3>What is the domain of a sum of two functions?</h3>
This exercise contains two parts, the first part consists in looking for the domain and the range of a linear equation and the second part is about the domain and the range of the sum of the function of the first part and a radical function.
In accordance with function theory, both the domain and the range of linear equations are the set of all real numbers and if we combine that function with a radical function by addition, then both the domain and the range of the new function are reduced to the subset of non-negative real numbers.
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