Which function has range (\mathbb{R}\setminus{-3})?कौन सा फलन रेंज (\mathbb{R}\setminus{-3}) रखता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (f(x)=\frac{2}{x}+(-3))(f(x)=\frac{2}{x}+(-3))
(\frac{2}{x}) is never (0), so output (-3) cannot occur. In exams identify the vertical shift of a reciprocal function.(\frac{2}{x}) कभी (0) नहीं होता, इसलिए (-3) output नहीं मिल सकता। परीक्षा में reciprocal function की vertical shift पहचानें।
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