question 2c please answer this question

c) Given f (x) = (2x-3) (x+1). Determine (if any) (i) Critical point(s) for f (x), [8 marks] (ii) The interval where f (x) is increasing and decreasing, [3 marks] (iii) Extremum point(s), [1 mark] (iv) The interval of concavity, [4 marks] (v) Inflection point. 2 of 3 [1 mark]