Can someone help me, how can i find the transfer function for these four functions to get the output response using the step input? Thank you

 

If this is Homework, then you need to leave it in Homework Help to get the kind of help you need. In any case, double-posting is highly discouraged. This thread is locked. The open version is at https://forum.allaboutcircuits.com/threads/transfer-function-response-for-step-input.179708/