f(x) =x² + 5x- 1 is shifted 3 units right. The result is g(x). What is (gx)?

Answer:
see below
Step-by-step explanation:
Shifting f(x) to the right 3 units is accomplished by replacing x with x-3:
g(x) = f(x-3)
g(x) = (x -3)^2 +5(x -3) -1 . . . . matches choice D