Determine whether each of these functions is a bijection from R to R. a) f (x) = −3x + 4

[Dhanalakshmi]

Determine whether each of these functions is a bijection from R to R. a) f (x) = −3x + 4 b) f (x) = −3x² + 7 c) f (x) = (x + 1)/(x + 2)