Answer:

Step-by-step explanation:
y = 
Use (0, -3) to find k

So, k = -3
Now use (4, -48) to find b
-48 = 
= 16
b = 2
Since k = -3 and b = 2, 
same thing as the other question about 7
Answer:
The answer is -25
Step-by-step explanation:
You add -2 to get rid of it making it -5 then you multiply 5 by itself and you do that to both sides and get Y= -25
(sorry if it doesn't make sense)
Answer:
Growth
Step-by-step explanation:
since the (1.05) is bigger than 1 it is growth but if it was lower then 1 it would be decay .