abitama abitama 01-06-2022 Mathematics contestada Determine the period, amplitude, and phase shift of[tex]f(x)=3cos2\left \{ x-\frac{\pi }{4}]+1[/tex]b) List the five critical points for the first cycle. (3 marks)Use this information to sketch the graph off(x) for twocomplete cycles. Determine [tex]\frac{1}{4}[/tex] wave and starting point.Clearly label the scale on both axes. (3 marks)