If graph of the function y=f(x) was shifted to the right 1 unit, then you got new function y=f(x-1).
Reversly, if you have the function

that is obtained by shifting to the right 1 unit, then the initial function was

.
Answer: Correct choice is D.
N-8=20 is the one
probably the one cut off
Answer:
Step-by-step explanation: