Answer:
domain: all real numbers
range: {y element R : y>=2}
Step-by-step explanation:
 
        
             
        
        
        
A and C are the correct answers
        
             
        
        
        
Answer:
4•8 feet
Step-by-step explanation:
Distance= first floor × second ÷ escalator 
Distance= 12feet × 12feet ÷ 30 feet
 = 12×12÷30
 = 4•8 feet
 
        
                    
             
        
        
        
Answer:
The answer is B
Step-by-step explanation: 
Graph goes positive infinitily,
but is inclusive of -4 and up.
 
        
             
        
        
        
Step-by-step explanation:
f (x) =y
y=x^4 -3x + x^2 
incomplete