Question:medium

If the function f:(-∞,∞)→ B defined by f(x)=-x²+6x-8 is bijective, then B=

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Complete the square to find range of quadratic.

Updated On: Mar 17, 2026

[1,∞)
(-∞,1]
(-∞,∞)
None of these

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The Correct Option is B

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