Answer:
C. 2z + 3 / z - 3
Step-by-step explanation:
Just took the test and got 100%
4x+13
combine like terms -2x and 6x to get 4 then combine 9 and 4 to get 13
F(x)=4X X=5
F(5)=4X
4(5)
20
Y=4(20)
Y=80
bottom left i think
C. 43.6% Increase