ANSWER
4 roots.
EXPLANATION
The given polynomial function is 

This is a fourth degree polynomial.
According to the Fundamental Theorem of Algebra, an nth degree polynomial has n roots.
This roots include both real and complex roots.
Also repeated roots or roots with multiplicity greater than one are counted as distinct.
Since the given polynomial function is a fourth degree polynomial, the Fundamental Theorem of Algebra, says that this polynomial has 4 roots.
 
        
             
        
        
        
Answer:
c. 59.3 ft²
Step-by-step explanation:
½× [(3.14×5²) + (10×4)]
= ½ × (78.5+40)
= ½× 118.5
= 59.3
 
        
             
        
        
        
82,000
Hope i helped today!
-Good Luck!
        
                    
             
        
        
        
Real numbers, rational numbers, Integers, Whole numbers, and Natural numbers.