Answer:
Growth, 800%
Step-by-step explanation:
9 > 1
So growth
9(4¹) = 36
(36-4)/4 × 100
= 800%
Answer:
growth 800%
Step-by-step explanation:
y=4(9)^x
The equation is of the form
y =a b^x
b tells us growth or decay
b>1 growth
b<1 decay
This is growth
To find the percent growth take b-1
9-1 = 8
Change to a percent
800%