Transform sine horizontally, one transformation at a time

Graph 1

Graph 1

1 (a)

Which one of the following is a correct equation for Graph 1?

Check all that apply

1 (b)

What are the coordinates of point A marked on graph

Check all that apply

Graph 2

Graph 2

2 (a)

Which on of the following equations is the correct equation for Graph 2?

Check all that apply

2 (b)

What are the coordinates of the local minimum point labelled B on Graph 2?

Check all that apply