Exercise 2.3

Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (i) {(2, 1), (5, 1), (8, 1), (11, 1), (14, 1), (17, 1)} (ii) {(2, 1), (4, 2), (6, 3), (8, 4), (10, 5), (12, 6), (14, 7)}

(I) \[\left\{ \left( 2,\text{ }1 \right),\text{ }\left( 5,\text{ }1 \right),\text{ }\left( 8,\text{ }1 \right),\text{ }\left( 11,\text{ }1 \right),\text{ }\left( 14,\text{ }1 \right),\text{ }\left(...

read more