Select the correct graph for the following function : f (x) = -x2, /x/ > 1 2x+1, -15x$1 O A. De O X -3 -2 1 2 3 -2 A Co -5\fO C. O x -3 -2 2 3 OF\fDetermine the piecewise function for the following graph. 4 x -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 -1 -2 -3 -4Suppose that a cell phone plan charges $15.00 for the first 60 minutes or less used in a month and $0.50 for each additional minute or portion of a minute. Write a piecewise function that shows the charges for time t where t ranges from 0 to 63 minutes. OSIS60 O A. f(!) = 10.50t -15.00, 60