Question

If f: A→ Bis a bijective function and if n(B) = 7 then n(A) is equal to
a) 7 b) 49 c) 1 d) 14

Answer 1

Answer:

a) 7

Step-by-step explanation:

(1) 7 In a bijective function, n(A) = n(B) ⇒ n(A) = 7Read more on Sarthaks.com - https://www.sarthaks.com/933010/if-f-a-b-is-a-bijective-function-and-if-n-b-7-then-n-a-is-equal-to-1-7-2-49-3-1-4-14