Answer:

Step-by-step explanation:
We are given the function:

And we want to find F(<em>b</em> + 3).
We can substitute:

Expand:

Rearrange:

Combine like terms. Hence:

In conclusion:

Because when you divide you get the same answer or something to do with percents
the answer is -8, the 9 is negative and -9+1= -8