Answer:-15x^3-x^2+8x+4
Sry if I am wrong
Step-by-step explanation:
Oh okay I’m not going home I’m sorry I don’t have to sleep tueitu lol I
Answer:
addition
Step-by-step explanation:
The given expression is 
We want to determine the last operation performed when evaluating this expression for x=3.
We substitute to get:

Multiply within the parenthesis to get:

Subtract to get:

Evaluate the exponent to get:
4+4
Add to obtain:
8
Hence the final operation is addition
Answer:
1= 2x+11
2= is none of those
3= √x^2 –11
4= √2x+11
Step-by-step explanation:
The answer would be, overlapping.