I need help in grade 12 advance function please. What is that the period, amplitude, and phase shift of f(x) = 3cos2(x- pi/4)+1 ?

b) List the five critical points for the first cycle.

c) Use this information to sketch the graph of f(x) for two complete cycles. Determine ¼ wave and starting point. Clearly label the scale on both axes.

Question

I need help in grade 12 advance function please. What is that the period, amplitude, and phase shift of f(x) = 3cos2(x- pi/4)+1 ?

b) List the five critical points for the first cycle. 


c) Use this information to sketch the graph of f(x) for two complete cycles. Determine ¼ wave and starting point. Clearly label the scale on both axes.

amistre64 · Answer

you need to apply the definitions of a period, amplitude, and phase shift ....

amistre64 · Answer

im assuming the critical points of a cycle are the common points of 0,pi, 2pi and the pi/2s  adjusted for the problem

anonymous · Answer

@amistre64 can you please help me state them

amistre64 · Answer

you tell me what your thoughts give you, and ill correct them if need be.  Your material should give you the plain as day details on how to use the equation to pull out the amplitude and such