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The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain?
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The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain?

User Kadaan
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R; all quadratic functions are going to have *ALL REAL NUMBERS*.

User Odinserj
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