Question
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State the domain and range of \( g(x)=\frac{2}{x+1}-7 \) The domain is all real numbers except \( \square \) and the range is all real numbers except

Ask by Peterson Elliott. in the United States
Jan 23,2025

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Answer

Tập xác định là tất cả các số thực ngoại trừ \( -1 \), và tập giá trị là tất cả các số thực ngoại trừ \( -7 \).

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Beyond the Answer

The domain of \( g(x) = \frac{2}{x+1} - 7 \) is all real numbers except \( -1 \), since the function becomes undefined when \( x+1 = 0 \). So, if you plug in -1, it throws a wild party of chaos with a division by zero! As for the range, this function can produce any real number except for \(-7\). That's because as \( x \) approaches -1, the function goes to infinity or negative infinity but never actually reaches that elegant -7 threshold. So, imagine all the numbers partying together, but -7 is just standing alone at the corner!

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