Answer:
{-9,1,11}
Step-by-step explanation:
Just place the domain values to your x value in the function.
Answer:

Step-by-step explanation:
We need to find the value of 
Solving:
We know, 


a^0 = 1
so,

So, the value of 
Answer:
First and second
Step-by-step explanation:
1 and 2 are less then 3
4=3+1 but you cant get 1 from 7 or 3 so 4 is impossible. So is 5, 6, 8, and 20.
Bolded numbers are answers.