engineering mathematics MCQ #5214

The range of f(x) = 2sin(x) + 1 is?

engineering mathematics MCQ #5214

  1. Question 1

    Q1. The range of f(x) = 2sin(x) + 1 is?

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

    Answer: [-1, 3]

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