f(x) = -2(sin(3x + pi/2)) + 1 for x is an element of [0, 4pi/3] State the phase shift, period, amplitude, zeros, range, and domain of f(x).

f(x) = -2(sin(3x + pi/2)) + 1 for x is an element of [0, 4pi/3]

State the phase shift, period, amplitude, zeros, range, and domain of f(x).