Question

19. Ifx-y-1 and 2 + y - 41 then the value of x+y
(c) Sor
(d) -​

Answer 1

Answer:

(ii) A function f : X → Y is invertible if and only if f is a bijective function. (iii) If f : X → Y, g : Y → Z and h : Z → S are functions, then ... x2 – x + 1 = 0 does not give any real value