Graph y=1/2sin(x-pi/4)

To Graph this sine function, you need to identify the amplitude and horizontal shift. For this sin function 1/2 is the amplitude, to mark that. And Pi/4 is your horizontal shift. A tool to help you Graph this function is Desmos. https://www.desmos.com/calculator/2qr7daajad

The answer is -13 13/35.

Hope this helps & good luck. :)