Question: Suppose x = f(t) = -2 cos(0.25t) + 1. 1) Describe the amplitude of f and locate its midline. (2 PTS) 2) By what amount

Suppose x = f(t) = -2 cos(0.25t) + 1. 1) Describe the amplitude of f and locate its midline. (2 PTS) 2) By what amount must t vary in order for the expression 4t to vary by 27 units? (2 PTS) 3) Compare and contrast the amplitude, midline, and period of the graphs of x = f(t) and x = g(t) = 2 cos ( 2t) - 1. (3 PTS ) 4) Sketch one period of the graph of f on the axes provided below. Please include a table of values as we have done in class to support your work. (3 PTS)

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