Domain is all real numbers.
Range is all real numbers geater than 0
        
             
        
        
        
The maximum number of roots to a polynomial of order n is n roots. Take the example of a quadratic (order 2) which can intersect the x-axis a maximum of 2 times, and similarly a cubic (order 3) 3 times maximum. 
Hence for 8 intersections, minimum order = 8
        
             
        
        
        
Answer:
Step-by-step explanation:
 
        
             
        
        
        
You take the decimal of say .48 and pull the it back so it would be 48%