Answer:
A. 
Step-by-step explanation:
To find f(-2) in f(x)=5*3^x, plug in -2 into all the x values.
f(-2)=5*3^-2, you can use calculator to calculate 3^-2 which equals 0.1, forever 1's.
f(-2)=5*0.1=0.5 Forever 5's.
f(-2)=0.5 or 
Hope this helps!
If not, I am sorry.
C because it's using the distributive property. It's breaking it down into sections.
Starts with 5 then adds 6 repeatedly
It’s 2-1=1
1-1= 0
0-1=-1
We -1
The answer is 81.
Hope this helps.