Answer:

Step-by-step explanation:
we know that
In this problem we have a exponential function of the form

where
y ----> represent the pool’s loss of water
x ----> the number of days
a is the initial value
a=25,700 gal
b ----> is the base
r=15%=15/100=0.15
b=(1-r)=1-0.15=0.85
The function is equal to

Answer:
6+3=9
Step-by-step explanation:
Evaluando 6+3=9, porque tu tienes que intercambiar x por 3 porque x es 3. Después tu tienes que buscar tu repuesta. Disculpa mi español no es tan bueno escribiendo
Eight I think, but you’d have to double check, as I can’t quite understand the
Wording/format.
I think it’s 7 as the y coordinate stays the same so it’s the difference between -4 and 3 which is 7 :)