PDF chapter test TRY NOW

In each of the following cases, state whether the function is bijective or not. Justify your answer.
 
(i) \(f: \mathbb{R} \rightarrow \mathbb{R}\) defined by \(f(x) = 2x + 1\)
 
(ii) \(f: \mathbb{R} \rightarrow \mathbb{R}\) defined by \(f(x) = 3 - 4x^2\)
 
Important!
This is a self-assessment task. Solve and assess the solution steps after the completion of the test on your own.