Define Function Domain: The domain of a function is the set of all possible input values (x-values) that the function can accept without resulting in any undefined or complex numbers.
Determine Square Root Values: Since y=x, we need to determine the values of x for which the square root is defined. The square root of a number is defined for all non-negative numbers, including 0.
Identify Domain Values: Therefore, the domain of the function y=x includes all x values that are greater than or equal to 0.
Correct Domain Set: Looking at the given choices, the correct domain is the set of all x such that x is greater than or equal to 0, which is written as {x∣x≥0}.
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