Please circle the answer which seem most correct. Also, Please show work.

1. Consider an FSK modem whose 2 frequencies of operation are 50KHz and 55KHz. Find [[Delta]]F

a. 25 KHz

b. 2.5 KHz

c. you can not find it with the given information

d. 5 KHz

2. Suppose the [[Delta]]F of question 1 is 2 KHz, r= .5 and R = 2400 bps. What is the Transmission Bandwidth for the FSK modem?

a. 25 KHz

b. 7.6 KHz

c. you can not find it with the given information

d. 15.2 KHz

3. There are 20 bits per signal element in a new modem standard. I can transmit