Respuesta :

tramserran

Answer:  f(1 - x) = 2x + 1

Step-by-step explanation:

f(x) = 2x + 3

f(1 - x) = 2(1 - x) + 3           replaced x with 1 - x

          = 2 - 2x + 3            distributed the 2

          = 5 - 2x                  simplified