Exercise on Modals: (Class 8) Why ________ I care about your problems? (Can/should) Tom and Rebecca give their daughter a lot of presents. They ________ really love her. (can/must) We ________ go...
Relation: A relation, R, from a non-empty set A to another non-empty set B, is mathematically defined as an arbitrary subset of the cartesian product of A and B. Domain, Range and Co-domain of the Relation...