Maybe c or A not completely sure try looking for the one you think it is and try reading it again
        
             
        
        
        
( - ∞, 3) ∪ (3, ∞ )
The domain is the set of values of x which make f(x) defined
The denominator of f(x) cannot be zero as this would make f(x) undefined. Equating the denominator to zero and solving gives the value that x cannot be.
solve x - 3 = 0 ⇒ x = 3
domain : (- ∞, 3) ∪ (3, ∞ )
 
        
             
        
        
        
Answer:
7x⁷+2x⁻⁴+3 is a Polynomial 
Step-by-step explanation:
I'm sorry I can't explain how I got the answer by hand. I graphed the Equation. 
 
        
             
        
        
        
Step-by-step explanation:
tvt67tvyy8vy8vt67vt7v6vt67yvtv
 
        
             
        
        
        
I believe that -3 is less than 3x-6 because if you look at their graph -3’s graph is below 3x-6 graph