Which set has the property of closure under

the operation of addition?

(1) {0,1,2}

(2) {x|x is an odd integer}

(3) {0, 1, 2, 3, …, 10}

(4) {x|x is an even integer}

the operation of addition?

(1) {0,1,2}

(2) {x|x is an odd integer}

(3) {0, 1, 2, 3, …, 10}

(4) {x|x is an even integer}

Answer:Step-by-step explanation:The answer should be 4