Relations and Functions

Relations and Functions

Question

Match the sets in table 1 given in the roster form with those given in table 2 in the set-builder form :

Table 1

Table 2

(a) {A, L, G, B, R, E}

(b) {2,3,7}

(c) {2}

(d) {-4,4}

(i) {x : x + 5 = 7,x ∊ N}

(ii) {x : x- 16 = 0, x ∊ R}

(iii) {x : x is a prime divisor of 42}

(iv) {x : x is a letter of word ALGEBRA}

 

Answer

Table 1

Table 2

(a) {A, L, G, B, R, E}

(b) {2,3,7}

(c) {2}

(d) {-4,4}

(iv) {x : x is a letter of word ALGEBRA

(iii) {x : x is a prime divisor of 42}

(i) {x : x + 5 = 7,x ∊ N}

(ii) {x : x- 16 = 0, x ∊ R}

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