17.5$ for every 5 bottles refilled. $3.50 for every 1 bottle refilled
Answer:
a. exponential growth
Step-by-step explanation:
the equation is y = 120000(1.03)^x
f(x)=a(1+r)^{x}
Answer:i think it 3
Step-by-step explanation:
you can just split the figure in 2 separate figures and them add the areas:
area rec. 1:
3m×3m= 9m²
area rec. 2:
3m× (2m+3m)
= 3m×5m
=15m²
total area:
9m²+15m²= 24m²