यदि f ∶ R → R और g ∶ R → R, f(x) = 2x और g(x) = x2 + 2 के रूप में परिभाषित दो प्रतिचित्रण हैं, तो (f + g) (2) का मान क्या है?

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UP TGT Mathematics 2013 Official Paper
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  1. 8
  2. 10
  3. 12
  4. 24

Answer (Detailed Solution Below)

Option 2 : 10
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गणना:

दिया गया है, f(x) = 2x, g(x) = x2 + 2

तो, (f + g)(2) = f(2) + g(2)

= (2 × 2) + (22 + 2)

= 4 + 6

= 10

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