Consider the function f (x) = 2 (cos (1 - ) 3x ) + 1). Determine its amplitude, period, and midline. Enter the exact answers. For the number , either choose a from the bar at the top or type in Pi (with a capital P). Ampliude: A = Number va a sin (a) Period: P = Midline: y = Number Show your work and explain, in your own words, how you arrived at your answers. Answers with no relevant explanations may receive reduced or no credit