Find an equation for the function in the image, assuming there isn't a vertical stretch.

Question

(1) Find an equation for the function in the image below. Solve for the blank in the format of y = __________:

https://i.imgur.com/S8r0lnd.jpg

(2) Determine the amplitude of the following function, showing the steps that were taken to determine the amplitude in order:

y = 5 sin (2(x-pi/4))+1

Answer 1

(1) Appears to be the tangent graph.

(2) Amplitude is coefficient of the sine function, 5