fun-lim

Question: If the domain of function $f(x)={{x}^{2}}-6x+7$ is $(-\infty ,\ \infty )$, then the range of function is



1) $(-\infty ,\ \infty )$
2) $[-2,\ \infty )$
3) $(-2,\ 3)$
4) $(-\infty ,\ -2)$
Solution: Explanation: No Explanation
Functions

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