What is the range of f(x)=2sin2(x)+2cos2(x)+3f(x) = 2\sin^2(x) + 2\cos^2(x) + 3f(x)=2sin2(x)+2cos2(x)+3?
[3,5][3, 5][3,5]
[5,5][5, 5][5,5] (constant)
[2,3][2, 3][2,3]
[0,5][0, 5][0,5]