When a letter is entered into the function machine, the following letter of the alphabet is printed. For example, when the input is [[$ a $]], the output given is [[$ b $]].

a) Sarah enters her own name on the machine, what comes out of the machine?

Answer: The output is .

b) The machine gives the output Nrbzq. What was the input?

Answer: The input is .

c) If you enter your own name in the machine, what do you get as a printout?

Answer: