1. The problem statement, all variables and given/known data Consider the triangle periodic function where x=0 @ t=0; x=2 @ t=2; x=0 @ t=4; x=2 @ t=6 and x=0 @ t=8. Let f1 be the function that agrees with f on [0,4], and is zero elsewhere. Determine f1 in terms of Heavyside step functions. 2. Relevant equations Determine f1 in terms of Heavyside step functions. 3. The attempt at a solution No idea....please help??!!