need help with this

Determine the amplitude, midline, period, and an equation involving the sine function for the graph shown below. Enter the exact answers. Amplitude: A = Number Midline: y = Number Period: P: L. Enclose arguments of functions in parentheses. For example, sin (2 * 3.)). Include a multiplication sign between symbols. For example. for 2 rrtype in 2 * 7r. For the number 7r, either choose 7r from the drop-down menu (under a) or type in Pi (with a capital P). L. y= BED