Consider the following function: x(t) = {[0 for t - 2] , [ - 4 - 2t for - 2 t 0] , [ - 4 3t for 0 t 4] , [16 - 2t for 4 t 8] , [0 for t 8]} a ) Sketch the function x(t) b ) Sketch the function 3x(t 1) c ) Sketch the function ( 1 2 ) (3t) d ) Sketch the function - 2x( t - 1 2 ) e ) Sketch the function x( - 2t 1)