The range of the function f(x)=3sin(x)+4cos(x)f(x) = 3\sin(x) + 4\cos(x)f(x)=3sin(x)+4cos(x) is:
[−1,1][-1, 1][−1,1]
[−7,7][-7, 7][−7,7]
[−3,4][-3, 4][−3,4]
[−5,5][-5, 5][−5,5]