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Find the range of the following functions f(x) = x2+ 2 |
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Answer» Given, f(x) = x2 + 2 Let y = f (x) y = x2+ 2 x2 = y – 2 x = \(\sqrt{y-2}\) Clearly, x will take real values, if Y – 2 ≥ 0 Y ≥ 2 ∴ Range of y = [2, ∞) |
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