Use the image to answer the question.
A curve is plotted on a coordinate plane. The curve begins in quadrant 2 and rises and descends multiple times, intersecting the x-axis at three points.
Write the equation of the periodic function based on the graph.
(1 point)
Responses
y=−12sinx
y equals negative Start Fraction 1 over 2 End Fraction sine x
y=12sinx
y equals Start Fraction 1 over 2 End Fraction sine x
y=−sinx
y equals negative sin x
y=−12cosx