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Black Book Advanced Problems in MathematicsMathematicsFunctions

If range of function f(x) whose domain is set of all real numbers is [-2, 4] , then range of function g(x) = 1 2 f(2x + 1) is equal to :

Options

  1. A[-2, 4]
  2. B[-1, 2]
  3. C[-3, 9]
  4. D[-2, 2]

Correct answer

B. [-1, 2]

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