Question

5. A imagem da função f(x) = 2 + sen (x/2) é:

[−2, 2]
[1, −1]
[1, 3]
[−1, 3]

Answer 1

$\mathsf{Im=[0-2,0+2]}$

$\huge~\boxed{\boxed{\boxed{\mathsf{[-2,2]}}}}$