FIND_THE_FUNCTION_F_(T)_IN_TERMS_OF_UNIT_STEP_FUNCTION_IN_THE_GRAPH_SH

1.	FIND_THE_FUNCTION_F_(T)_IN_TERMS_OF_UNIT_STEP_FUNCTION_IN_THE_GRAPH_SHOWN_IN_QUESTION_9.?$
A.	4t [u (t) ‚Äö√Ñ√∂‚àö√ë‚àö¬® u (t + 5)].
B.	4t [u (t) + u (t + 5)].
C.	4t [u (t) ‚Äö√Ñ√∂‚àö√ë‚àö¬® u (t ‚Äö√Ñ√∂‚àö√ë‚àö¬® 5)].
D.	4t [u (t) + u (t ‚Äö√Ñ√∂‚àö√ë‚àö¬® 5)].
Answer» D. 4t [u (t) + u (t ‚Äö√Ñ√∂‚àö√ë‚àö¬® 5)].

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