Use the image to answer the question.

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

Answer 1

y=−12sinx