Q21Multiple choice
Let A = [–1, 1]. Then, discuss whether the following functions defined on A are one-one, onto or bijective:
- (i)f ( x) =
- (ii)g(x) = x
- (iii)h( x) = x x
- (iv)k(x) = x2.
Let A = [–1, 1]. Then, discuss whether the following functions defined on A are one-one, onto or bijective: