Please help!

Which statement correctly describes the relationship between the graph of f(x) and the graph of g(x)=f(x)−1 ?

A. The graph of​ g(x) ​is the graph of f(x) ​ ​​​​translated 1 unit up.

B. The graph of​ g(x) ​is the graph of ​ f(x) ​​ translated 1 unit right​​.

C. The graph of g(x) is the graph of f(x) translated 1 unit down.

D. The graph of g(x) ​is the graph of ​ f(x) ​ ​​translated 1 unit left.

30 points!