If $y = -x^2 + 5$ and $x$ is a real number, then what is the maximum value possible for $y$?
Question:
If $y = -x^2 + 5$ and $x$ is a real number, then what is the maximum value possible for $y$?
Answer:
Let's think step by step.

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5
If $y = -x^2 + 5$ and $x$ is a real number, then what is the maximum value possible for $y$?
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