Answer:
Step-by-step explanation:
General form of sine function: y = Asin(Bx) + C
Sin(x) has a period of 2pi. As the period needs to be 7pi/3,
B*7pi/3 = 2pi
B = 6/7
A is the amplitude = 5
C is the midline = 2
Combining the sine function should be y = 5*sin(6/7 * x) + 2
