engineering mathematics MCQ #5224

The range of f(x) = cos(x) - 2 is?

engineering mathematics MCQ #5224

  1. Question 1

    Q1. The range of f(x) = cos(x) - 2 is?

    • A) [-3, -1]
    • B) [-1, 1]
    • C) [0, 2]
    • D) [-2, 2]

    Answer: [-3, -1]

    Explanation: The range of cos(x) is [-1, 1], so the range of cos(x) - 2 is [-1 - 2, 1 - 2] = [-3, -1].