Problem 47 of 7
Explain why the graph of x^2 + y^2 = 25 is or is not a function.
Hints
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state reasoning in terms of inputs and outputs.
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Relation may be table, ordered pairs, graph, equation, or context.
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Solution
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1. Identify inputs and outputs.
2. Check whether any input has more than one output.
3. State the reason clearly.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Unsupported yes/no classification.