Graphing Cosine with Period Change and Phase Shift

The video tutorial explains how to graph the function F(x) = -3cos(2x + π). It covers determining the amplitude, period, and X scale, finding the start and end points for graphing, plotting points on the X axis, extending the graph in the negative direction, scaling the Y axis, and reflecting the graph. The tutorial concludes with a demonstration of graphing two periods of the function.

How do you determine the starting and ending points for graphing the function?

Describe the process of scaling the Y-axis for the graph of the function.

What are the steps to graph two periods of the function F of X equals -3 times cosine of 2X + π?