1.333 the answer I hope help
F(x) = 2x + 4
f(x-5) shifts (fx) five units to the right, then
f(x-5) = 2(x-5) + 4 = 2x - k
2x - 10 + 4 = 2x - k
k = 6
Replace the x in x^2 + 5x - 1 by x+3:-
g(x) =
(x+3)^2 + 5(x+3) - 1
= x^2 + 6x + 9 + 5x + 15 - 1
= x^2 + 11x + 23
- thats g(x)
Answer:

Step-by-step explanation:

: Do cross multiplication

: Multiply the numbers : 4 and 14

Move 3 to right hand side and change it's sign

Subtract 3 from 56

The value of k is 53
Hope I helped!
Best regards! :D
~TheAnimeGirl