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What is the minimum value of 3 (A+ 3 ) where A R ?

Options

  1. A-3
  2. B-1
  3. C0
  4. D3

Correct answer

A. -3

Step-by-step solution

Let y=3 (A+ 3 ), y^ =-3 (A+ 3 ) For extremum value, y^ =0 aligned & (A+ 3 )=0 A+ 3 =0 A=- 3 & y^ =-3 (A+ 3 ) & =-3 (- 3 + 3 )=-3 (0)=-3 aligned

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