Answer:
#43: D
#44: 11
Step-by-step explanation:
#43-
1. 2x + 4 =K= 2x+22
place function together
2. combine like terms
2x+4=k=2x+22
-2x -2x
4=K= 22
-4 -4
3. gives you the answer
which is K = 18
#44 f(x) = 2/3x + 3 .....f(12)
1. place 12 un the equation
f(12) = 2/3 × 12 +3
2. f(12) = 8+3
3. f(12)= 11
This is the best I can do
