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Manipal MET2014MathematicsFunctions

The range of f(x)= ( 4 ^2 x ),- x is

Options

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

Correct answer

A. [1, 2 ]

Step-by-step solution

Given, f(x)= ( 4 ^2 x ) We know that, 0 ^2 x 1 aligned & f(x)= ( 4 1 )= 2 & f(x)= ( 4 0 )=1 Range [1, 2 ] aligned

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