Find the range of f(x)=3cos(x)−4f(x) = 3\cos(x) - 4f(x)=3cos(x)−4.
[−7,1][-7, 1][−7,1]
[−1,7][-1, 7][−1,7]
[−3,3][-3, 3][−3,3]
[−4,3][-4, 3][−4,3]