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If (f={(1,3),(2,5),(3,7),(4,9)}), what is the value of (f(3)+f(4))?यदि (f={(1,3),(2,5),(3,7),(4,9)}), तो (f(3)+f(4)) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (16)(16)
From the ordered pairs, (f(3)=7) and (f(4)=9), so the sum is (16). While reading function values, the input is the first coordinate.ordered pairs से (f(3)=7) और (f(4)=9), इसलिए sum (16) है। function value पढ़ते समय input first coordinate होता है।
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