Question

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