Question

A = {1,2, 3} B = {2,3,4} C = {4, 5, 6, 7} then (A
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B)
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C =

(1) {2, 3} (2) { 1, 2, 3, 4, 5, 6, 7} (3) {2, 4, 6} (4) {1, 3, 5, 7}

Answer 1

Answer:

Exercise 7C 1 (a) add 3 (b) divide by 2 (c) multiply by 2 then add 1 (d) multiply by 3 then subtract 1 2 (a) 1 S 4, 2 S 5, 3 S 6, 4 S 7, 5 S 8 , 6 ...