1. find the domain and range of the relation and determine whether it is a function. a. domain: {-4,-1,1,4}; range: {-1,1,4}; yes, the relation is a function. b. domain: {-4,-1,1,4}; range: {-1,1,4}; no, the relation is not a function. c. domain: {-1,1,4}; range: {-4,-1,1,4}; yes, the relation is a function. d. domain: {-1,1,4}; range: {-4,-1,1,4}; no, the relation is not a function. (i already tried to solve this, i'm just checking to see if i'm correct) if you try to answer this can you explain.