Problem 27 of 7
Determine the domain of square-root function f(x)=sqrt(16-x^2).
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require radicand nonnegative.
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Require the radicand to be nonnegative.
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Solution
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1. Set the radicand greater than or equal to zero.
2. Solve the resulting inequality.
3. Write the domain with included endpoints.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Requiring the square root output to be positive as an input restriction.