Question

Write a sine function that has an amplitude of 4, a midline of y = 2, and a period of start fraction, 2,π, divided by, 3, end fraction.
a) y = 2 + 4sin(3πx/2)
b) y = 2 + 4sin(2πx/3)
c) y = 4sin(3πx/2)
d) y = 4sin(2πx/3)