Write an equation of the functions whose graphs are described in words below. Graph the functions. Identify the period, amplitude, and phase shift.

A) One cycle of y = sin x on [0, 2pi] is stretched to [0, 8pi] and then the stretched cycle is shifted horizontally pi/2 units to the right. The graph is also stretched vertically by a factor of 5/2 and then reflected in the x-axis.

B) One cycle of y = cos x on [0, 2pi] is stretched to [0, 8pi] and then the stretched cycle is shifted horizontally pi/2 units to the right. The graph is also stretched vertically by a factor of 5/2 and then reflected in the x-axis.

Explanations and steps would surely help. Thanks to anyone who spent their time to help!