Question

Determine whether each of these functions is a bijection from r to r.

a.F(x) = 2x + 1

b.F(x) = x2 + 1

c.F(x) = x3

d.F(x) = (x2 + 1)/(x2 + 2)

Answer 1

Here your answer . Is it correct or not you can say me .