Question

If A = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], then insert the appropriate symbol ∈ or ∉ in each of the following blanks spaces:
(i) 4 ...... A
(ii) −4 ...... A
(iii) 12 ...... A
(iv) 9 ...... A
(v) 0 ...... A
(vi) −2 ...... A

Answer 1

(i) 4$\in$A
(ii) −4$\notin$A
(iii) 12$\notin$A
(iv) 9$\in$A
(v) 0$\in$A
(vi) −2$\notin$A