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If the function \(f:\{1,2,3,4\}\to\{1,2\}\) is defined by \(f(x)=1\) when \(x\le 2\), and \(f(x)=2\) when \(x>2\), what is the value of \(f(2)\)?यदि फलन \(f:\{1,2,3,4\}\to\{1,2\}\) को \(f(x)=1\), जब \(x\le 2\), और \(f(x)=2\), जब \(x>2\), द्वारा परिभाषित किया गया है, तो \(f(2)\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 11
Since \(2\le 2\) is true, the first condition applies, so \(f(2)=1\). The second condition, \(x>2\), does not apply to 2. Exam tip: \(\le\) includes equality, whereas \(<\) does not.क्योंकि \(2\le 2\) सत्य है, इसलिए \(x\le 2\) वाली पहली शर्त लागू होगी और \(f(2)=1\)। \(x>2\) वाली दूसरी शर्त 2 पर लागू नहीं होती। परीक्षा-युक्ति: \(\le\) में बराबरी शामिल होती है, जबकि \(<\) में नहीं।
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