48: 17
what is the general equation of a cosine function with an amplitude of 3, a period of 4x, and a horizontal shift of - ?
wost 4x+)
y = 4 *cos(3(x– 5))
y = 3cos(4x(x+5))
y = 3cos(0.5(x+x))
y - 4x00s(o 2(x+x))