Detailed description

Y= 3sin 4x, x intercepts at (-2 pi,0), (-7pi over 4, 0), (-3 pi over 2,0), (-5 pi over 4, 0), (- pi, 0), (-3 pi over 4,0), (- pi over 2,0), (-pi over 4, 0), (0,0), (pi over 4,0), ( pi over 2,0), (3 pi over 4,0), (pi,0), (5 pi over 4,0), (3 pi over 2,0), (7 pi over 4,0), (2 pi,0), y intercept at (0,0), range of graph from y = 3 to y = -3.