Alvin is 12 years older than Elga. The sum of their ages is 82. What is Elga's age?
1 answer:
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The domain for which the function is defined is given by:
D. .
The domain of a function is the set that contains all possible input values for the function.
A square root is only defined for non-negative values, hence:
.
.
The intersection of these two domains is , hence option D is correct.
More can be learned about the domain of a function at brainly.com/question/10891721
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