Answer:
7
Step-by-step explanation:
(+8)-(-4)+(-5)
8+4-5
12-5
7
Answer:
10+8x=y
Step-by-step explanation:
The 10$ is added on because it's a one time exchange and the 8 is multiplied by the x because for every hour you add 8$ to the price and y is the total price at the end depending on x.
Answer:
36
Step-by-step explanation:9*4=36
Exponential growth is the function

Exponential decay is the function

So, the basic difference is that in growth the base is more than 1, and in decay the base is more than 0 but less than 1.