Which statement correctly describes the relationship between the graph of f(x) = x and the graph of g(x) = f(x) + 5 ?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Ineed the solution to this problem and the steps.

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?