General
Easy
Maths-

If the mapping f left parenthesis x right parenthesis equals a x plus b comma a less than 0 maps [-1,1] onto [0,2] then for all values of thetaA equals cos squared space theta plus sin to the power of 4 space theta is such that

Maths-General

  1. f open parentheses 1 third close parentheses less or equal than A less or equal than f left parenthesis 0 right parenthesis
  2. f left parenthesis 1 right parenthesis less than A less or equal than f left parenthesis negative 1 right parenthesis
  3. f open parentheses 1 fourth close parentheses less or equal than A less or equal than f left parenthesis 0 right parenthesis
  4. f left parenthesis 0 right parenthesis less or equal than A less or equal than f left parenthesis negative 1 right parenthesis

    Answer:The correct answer is: f open parentheses 1 fourth close parentheses less or equal than A less or equal than f left parenthesis 0 right parenthesis

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