Answer:

Step-by-step explanation:
We can use exponent rules to try and simplify this expression down.
Exponent rules tell us that
.
This means that since we have the same base on both terms (7 and 7), we can add the exponents to get a simplified expression.

So our simplified expression is
.
Hope this helped!
Answer:
1. There non-linear.
2. They can either be exponential decay or growth
3. They are functions :P
Answer:9*y or 9y
Step-by-step explanation: