Respuesta :

imtiazkalwar

Answer:

[tex]y=9000(0.82)^{x}[/tex]

Step-by-step explanation:

General exponential growth/decline equation is given as

[tex]y=ab^{x}[/tex]

where a is initial value and b is growth/decline rate

Here a=9000 and b=18%=(1-0.18)=0.82