PROBLEM 2(20%) Part a. Match the step response s(t)below to the correct frequency response and give a brief justification to your answer in the space provided in the next page A H1( cOD0D人 Hsw) HgW)� � PROBLEM 2 (20%) Part a. Match the step response s(t) below to the correct frequency response and give a brief justification to your answer in the space provided in the next page. s(t) A t 7� 7� 900 300 H1(j�) 1 2 � −�c �c � 10 − 2 + �c (102 + �c) −(102 − �c) 102 − �c 1 H3(j�) H4(j�) 1 3 � 1 � �2 3 4 −�c 0 �c −�c 0 �c 0 H2( ) 2 � 2 j� 6