How do you write the set in roster form and in set builder notation? 
 D is the set of whole numbers less than 3.
 A. D = {0,1,2,3,4,5}; D = {x is a whole number, x < 3} 
 B. D = {0,1}; D =  x < 3 
 C. D = {0,1,2}; D = x  
 D. D = {0,1,2,3,4,5,6,7}; D = {x < 3}